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Finding the Fourth Proportional to 72,567.66, 108,859.70 and 22,646.66

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Solution

The fourth proportional to 72,567.66, 108,859.70 and 22,646.66 is: 33,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,567.66 : 108,859.70 = 22,646.66 : x
  2. Step 2: Convert to fraction form
    72,567.66/108,859.70 = 22,646.66/x
  3. Step 3: Cross multiply
    72,567.66x = 108,859.70 × 22,646.66
  4. Step 4: Simplify right side
    72,567.66x = 2,465,307,956.07
  5. Step 5: Solve for x
    x = 2,465,307,956.07/72,567.66
  6. Step 6: Final answer
    x = 33,972.54

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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.