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Finding the Fourth Proportional to 168,547.92, 252,724.08 and 79,800.68

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Solution

The fourth proportional to 168,547.92, 252,724.08 and 79,800.68 is: 119,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,547.92 : 252,724.08 = 79,800.68 : x
  2. Step 2: Convert to fraction form
    168,547.92/252,724.08 = 79,800.68/x
  3. Step 3: Cross multiply
    168,547.92x = 252,724.08 × 79,800.68
  4. Step 4: Simplify right side
    168,547.92x = 20,167,553,436.37
  5. Step 5: Solve for x
    x = 20,167,553,436.37/168,547.92
  6. Step 6: Final answer
    x = 119,654.72

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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.