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Finding the Fourth Proportional to 92,630.53, 127,830.17 and 50,189.06

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Solution

The fourth proportional to 92,630.53, 127,830.17 and 50,189.06 is: 69,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.53 : 127,830.17 = 50,189.06 : x
  2. Step 2: Convert to fraction form
    92,630.53/127,830.17 = 50,189.06/x
  3. Step 3: Cross multiply
    92,630.53x = 127,830.17 × 50,189.06
  4. Step 4: Simplify right side
    92,630.53x = 6,415,676,140.57
  5. Step 5: Solve for x
    x = 6,415,676,140.57/92,630.53
  6. Step 6: Final answer
    x = 69,260.92

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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.