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Finding the Fourth Proportional to 363,031.72, 544,581.72 and 106,864.46

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Solution

The fourth proportional to 363,031.72, 544,581.72 and 106,864.46 is: 160,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,031.72 : 544,581.72 = 106,864.46 : x
  2. Step 2: Convert to fraction form
    363,031.72/544,581.72 = 106,864.46/x
  3. Step 3: Cross multiply
    363,031.72x = 544,581.72 × 106,864.46
  4. Step 4: Simplify right side
    363,031.72x = 58,196,430,752.94
  5. Step 5: Solve for x
    x = 58,196,430,752.94/363,031.72
  6. Step 6: Final answer
    x = 160,306.74

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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.