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Finding the Fourth Proportional to 149,773.91, 224,693.28 and 69,752.39

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Solution

The fourth proportional to 149,773.91, 224,693.28 and 69,752.39 is: 104,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,773.91 : 224,693.28 = 69,752.39 : x
  2. Step 2: Convert to fraction form
    149,773.91/224,693.28 = 69,752.39/x
  3. Step 3: Cross multiply
    149,773.91x = 224,693.28 × 69,752.39
  4. Step 4: Simplify right side
    149,773.91x = 15,672,892,173.47
  5. Step 5: Solve for x
    x = 15,672,892,173.47/149,773.91
  6. Step 6: Final answer
    x = 104,643.68

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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.