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Finding the Fourth Proportional to 62,209.80, 93,210.70 and 43,708.68

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Solution

The fourth proportional to 62,209.80, 93,210.70 and 43,708.68 is: 65,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.80 : 93,210.70 = 43,708.68 : x
  2. Step 2: Convert to fraction form
    62,209.80/93,210.70 = 43,708.68/x
  3. Step 3: Cross multiply
    62,209.80x = 93,210.70 × 43,708.68
  4. Step 4: Simplify right side
    62,209.80x = 4,074,116,658.88
  5. Step 5: Solve for x
    x = 4,074,116,658.88/62,209.80
  6. Step 6: Final answer
    x = 65,489.95

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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.