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Finding the Fourth Proportional to 71,567.55, 107,351.33 and 65,006.55

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Solution

The fourth proportional to 71,567.55, 107,351.33 and 65,006.55 is: 97,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.55 : 107,351.33 = 65,006.55 : x
  2. Step 2: Convert to fraction form
    71,567.55/107,351.33 = 65,006.55/x
  3. Step 3: Cross multiply
    71,567.55x = 107,351.33 × 65,006.55
  4. Step 4: Simplify right side
    71,567.55x = 6,978,539,276.18
  5. Step 5: Solve for x
    x = 6,978,539,276.18/71,567.55
  6. Step 6: Final answer
    x = 97,509.83

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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.