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Finding the Fourth Proportional to 144,624.76, 216,854.07 and 77,073.63

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Solution

The fourth proportional to 144,624.76, 216,854.07 and 77,073.63 is: 115,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.76 : 216,854.07 = 77,073.63 : x
  2. Step 2: Convert to fraction form
    144,624.76/216,854.07 = 77,073.63/x
  3. Step 3: Cross multiply
    144,624.76x = 216,854.07 × 77,073.63
  4. Step 4: Simplify right side
    144,624.76x = 16,713,730,355.17
  5. Step 5: Solve for x
    x = 16,713,730,355.17/144,624.76
  6. Step 6: Final answer
    x = 115,566.18

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1.5x scale

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.