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Finding the Fourth Proportional to 92,630.84, 127,830.59 and 50,189.38

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Solution

The fourth proportional to 92,630.84, 127,830.59 and 50,189.38 is: 69,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.84 : 127,830.59 = 50,189.38 : x
  2. Step 2: Convert to fraction form
    92,630.84/127,830.59 = 50,189.38/x
  3. Step 3: Cross multiply
    92,630.84x = 127,830.59 × 50,189.38
  4. Step 4: Simplify right side
    92,630.84x = 6,415,737,863.03
  5. Step 5: Solve for x
    x = 6,415,737,863.03/92,630.84
  6. Step 6: Final answer
    x = 69,261.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.