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Finding the Fourth Proportional to 335,709, 503,612.68 and 99,020.88

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Solution

The fourth proportional to 335,709, 503,612.68 and 99,020.88 is: 148,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,709 : 503,612.68 = 99,020.88 : x
  2. Step 2: Convert to fraction form
    335,709/503,612.68 = 99,020.88/x
  3. Step 3: Cross multiply
    335,709x = 503,612.68 × 99,020.88
  4. Step 4: Simplify right side
    335,709x = 49,868,170,752.76
  5. Step 5: Solve for x
    x = 49,868,170,752.76/335,709
  6. Step 6: Final answer
    x = 148,545.83

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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.