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Finding the Fourth Proportional to 144,757.53, 217,109.87 and 60,495.15

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Solution

The fourth proportional to 144,757.53, 217,109.87 and 60,495.15 is: 90,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,757.53 : 217,109.87 = 60,495.15 : x
  2. Step 2: Convert to fraction form
    144,757.53/217,109.87 = 60,495.15/x
  3. Step 3: Cross multiply
    144,757.53x = 217,109.87 × 60,495.15
  4. Step 4: Simplify right side
    144,757.53x = 13,134,094,890.67
  5. Step 5: Solve for x
    x = 13,134,094,890.67/144,757.53
  6. Step 6: Final answer
    x = 90,731.69

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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.