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Finding the Fourth Proportional to 72,275.52, 108,373.68 and 22,342.08

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Solution

The fourth proportional to 72,275.52, 108,373.68 and 22,342.08 is: 33,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,275.52 : 108,373.68 = 22,342.08 : x
  2. Step 2: Convert to fraction form
    72,275.52/108,373.68 = 22,342.08/x
  3. Step 3: Cross multiply
    72,275.52x = 108,373.68 × 22,342.08
  4. Step 4: Simplify right side
    72,275.52x = 2,421,293,428.45
  5. Step 5: Solve for x
    x = 2,421,293,428.45/72,275.52
  6. Step 6: Final answer
    x = 33,500.88

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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.