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Finding the Fourth Proportional to 79,510.80, 119,154.12 and 62,797.20

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Solution

The fourth proportional to 79,510.80, 119,154.12 and 62,797.20 is: 94,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,510.80 : 119,154.12 = 62,797.20 : x
  2. Step 2: Convert to fraction form
    79,510.80/119,154.12 = 62,797.20/x
  3. Step 3: Cross multiply
    79,510.80x = 119,154.12 × 62,797.20
  4. Step 4: Simplify right side
    79,510.80x = 7,482,545,104.46
  5. Step 5: Solve for x
    x = 7,482,545,104.46/79,510.80
  6. Step 6: Final answer
    x = 94,107.28

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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.