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Finding the Fourth Proportional to 185,000.60, 277,500.90 and 138,344.60

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Solution

The fourth proportional to 185,000.60, 277,500.90 and 138,344.60 is: 207,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,000.60 : 277,500.90 = 138,344.60 : x
  2. Step 2: Convert to fraction form
    185,000.60/277,500.90 = 138,344.60/x
  3. Step 3: Cross multiply
    185,000.60x = 277,500.90 × 138,344.60
  4. Step 4: Simplify right side
    185,000.60x = 38,390,751,010.14
  5. Step 5: Solve for x
    x = 38,390,751,010.14/185,000.60
  6. Step 6: Final answer
    x = 207,516.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.