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Finding the Fourth Proportional to 87,567.65, 120,834.63 and 49,326.13

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Solution

The fourth proportional to 87,567.65, 120,834.63 and 49,326.13 is: 68,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,567.65 : 120,834.63 = 49,326.13 : x
  2. Step 2: Convert to fraction form
    87,567.65/120,834.63 = 49,326.13/x
  3. Step 3: Cross multiply
    87,567.65x = 120,834.63 × 49,326.13
  4. Step 4: Simplify right side
    87,567.65x = 5,960,304,421.25
  5. Step 5: Solve for x
    x = 5,960,304,421.25/87,567.65
  6. Step 6: Final answer
    x = 68,065.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.