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Finding the Fourth Proportional to 144,767.52, 217,154.28 and 39,585.84

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Solution

The fourth proportional to 144,767.52, 217,154.28 and 39,585.84 is: 59,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,767.52 : 217,154.28 = 39,585.84 : x
  2. Step 2: Convert to fraction form
    144,767.52/217,154.28 = 39,585.84/x
  3. Step 3: Cross multiply
    144,767.52x = 217,154.28 × 39,585.84
  4. Step 4: Simplify right side
    144,767.52x = 8,596,234,583.40
  5. Step 5: Solve for x
    x = 8,596,234,583.40/144,767.52
  6. Step 6: Final answer
    x = 59,379.58

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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.