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Finding the Fourth Proportional to 373,125.60, 559,688.40 and 92,642.85

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Solution

The fourth proportional to 373,125.60, 559,688.40 and 92,642.85 is: 138,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,125.60 : 559,688.40 = 92,642.85 : x
  2. Step 2: Convert to fraction form
    373,125.60/559,688.40 = 92,642.85/x
  3. Step 3: Cross multiply
    373,125.60x = 559,688.40 × 92,642.85
  4. Step 4: Simplify right side
    373,125.60x = 51,851,128,487.94
  5. Step 5: Solve for x
    x = 51,851,128,487.94/373,125.60
  6. Step 6: Final answer
    x = 138,964.28

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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.