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Finding the Fourth Proportional to 144,502.76, 216,774.84 and 44,671.64

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Solution

The fourth proportional to 144,502.76, 216,774.84 and 44,671.64 is: 67,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,502.76 : 216,774.84 = 44,671.64 : x
  2. Step 2: Convert to fraction form
    144,502.76/216,774.84 = 44,671.64/x
  3. Step 3: Cross multiply
    144,502.76x = 216,774.84 × 44,671.64
  4. Step 4: Simplify right side
    144,502.76x = 9,683,687,613.54
  5. Step 5: Solve for x
    x = 9,683,687,613.54/144,502.76
  6. Step 6: Final answer
    x = 67,013.86

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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.