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Finding the Fourth Proportional to 144,587.60, 216,839.70 and 49,813.94

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Solution

The fourth proportional to 144,587.60, 216,839.70 and 49,813.94 is: 74,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,587.60 : 216,839.70 = 49,813.94 : x
  2. Step 2: Convert to fraction form
    144,587.60/216,839.70 = 49,813.94/x
  3. Step 3: Cross multiply
    144,587.60x = 216,839.70 × 49,813.94
  4. Step 4: Simplify right side
    144,587.60x = 10,801,639,805.42
  5. Step 5: Solve for x
    x = 10,801,639,805.42/144,587.60
  6. Step 6: Final answer
    x = 74,706.54

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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.