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Finding the Fourth Proportional to 587,901.72, 881,758.14 and 161,337.88

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Solution

The fourth proportional to 587,901.72, 881,758.14 and 161,337.88 is: 241,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,901.72 : 881,758.14 = 161,337.88 : x
  2. Step 2: Convert to fraction form
    587,901.72/881,758.14 = 161,337.88/x
  3. Step 3: Cross multiply
    587,901.72x = 881,758.14 × 161,337.88
  4. Step 4: Simplify right side
    587,901.72x = 142,260,988,980.34
  5. Step 5: Solve for x
    x = 142,260,988,980.34/587,901.72
  6. Step 6: Final answer
    x = 241,980.90

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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.