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Finding the Fourth Proportional to 437,892.48, 656,839.04 and 105,468.80

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Solution

The fourth proportional to 437,892.48, 656,839.04 and 105,468.80 is: 158,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,892.48 : 656,839.04 = 105,468.80 : x
  2. Step 2: Convert to fraction form
    437,892.48/656,839.04 = 105,468.80/x
  3. Step 3: Cross multiply
    437,892.48x = 656,839.04 × 105,468.80
  4. Step 4: Simplify right side
    437,892.48x = 69,276,025,341.95
  5. Step 5: Solve for x
    x = 69,276,025,341.95/437,892.48
  6. Step 6: Final answer
    x = 158,203.28

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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.