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Finding the Fourth Proportional to 581,763.52, 872,548.08 and 161,081.92

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Solution

The fourth proportional to 581,763.52, 872,548.08 and 161,081.92 is: 241,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,763.52 : 872,548.08 = 161,081.92 : x
  2. Step 2: Convert to fraction form
    581,763.52/872,548.08 = 161,081.92/x
  3. Step 3: Cross multiply
    581,763.52x = 872,548.08 × 161,081.92
  4. Step 4: Simplify right side
    581,763.52x = 140,551,720,018.71
  5. Step 5: Solve for x
    x = 140,551,720,018.71/581,763.52
  6. Step 6: Final answer
    x = 241,595.97

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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.