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Finding the Fourth Proportional to 373,730.60, 560,262.60 and 137,018.12

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Solution

The fourth proportional to 373,730.60, 560,262.60 and 137,018.12 is: 205,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,730.60 : 560,262.60 = 137,018.12 : x
  2. Step 2: Convert to fraction form
    373,730.60/560,262.60 = 137,018.12/x
  3. Step 3: Cross multiply
    373,730.60x = 560,262.60 × 137,018.12
  4. Step 4: Simplify right side
    373,730.60x = 76,766,128,158.31
  5. Step 5: Solve for x
    x = 76,766,128,158.31/373,730.60
  6. Step 6: Final answer
    x = 205,404.98

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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.