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Finding the Fourth Proportional to 144,562.68, 216,864.66 and 44,731.38

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Solution

The fourth proportional to 144,562.68, 216,864.66 and 44,731.38 is: 67,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,562.68 : 216,864.66 = 44,731.38 : x
  2. Step 2: Convert to fraction form
    144,562.68/216,864.66 = 44,731.38/x
  3. Step 3: Cross multiply
    144,562.68x = 216,864.66 × 44,731.38
  4. Step 4: Simplify right side
    144,562.68x = 9,700,655,515.03
  5. Step 5: Solve for x
    x = 9,700,655,515.03/144,562.68
  6. Step 6: Final answer
    x = 67,103.46

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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.