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Finding the Fourth Proportional to 92,630.68, 127,830.60 and 50,189.20

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Solution

The fourth proportional to 92,630.68, 127,830.60 and 50,189.20 is: 69,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.68 : 127,830.60 = 50,189.20 : x
  2. Step 2: Convert to fraction form
    92,630.68/127,830.60 = 50,189.20/x
  3. Step 3: Cross multiply
    92,630.68x = 127,830.60 × 50,189.20
  4. Step 4: Simplify right side
    92,630.68x = 6,415,715,549.52
  5. Step 5: Solve for x
    x = 6,415,715,549.52/92,630.68
  6. Step 6: Final answer
    x = 69,261.24

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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.