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Finding the Fourth Proportional to 337,648.08, 506,285.16 and 138,108.60

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Solution

The fourth proportional to 337,648.08, 506,285.16 and 138,108.60 is: 207,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,648.08 : 506,285.16 = 138,108.60 : x
  2. Step 2: Convert to fraction form
    337,648.08/506,285.16 = 138,108.60/x
  3. Step 3: Cross multiply
    337,648.08x = 506,285.16 × 138,108.60
  4. Step 4: Simplify right side
    337,648.08x = 69,922,334,648.38
  5. Step 5: Solve for x
    x = 69,922,334,648.38/337,648.08
  6. Step 6: Final answer
    x = 207,086.43

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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.