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Finding the Fourth Proportional to 437,575.13, 656,362.70 and 105,151.13

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Solution

The fourth proportional to 437,575.13, 656,362.70 and 105,151.13 is: 157,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,575.13 : 656,362.70 = 105,151.13 : x
  2. Step 2: Convert to fraction form
    437,575.13/656,362.70 = 105,151.13/x
  3. Step 3: Cross multiply
    437,575.13x = 656,362.70 × 105,151.13
  4. Step 4: Simplify right side
    437,575.13x = 69,017,279,594.85
  5. Step 5: Solve for x
    x = 69,017,279,594.85/437,575.13
  6. Step 6: Final answer
    x = 157,726.70

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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.