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Finding the Fourth Proportional to 162,903.29, 224,819.15 and 91,289.97

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Solution

The fourth proportional to 162,903.29, 224,819.15 and 91,289.97 is: 125,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,903.29 : 224,819.15 = 91,289.97 : x
  2. Step 2: Convert to fraction form
    162,903.29/224,819.15 = 91,289.97/x
  3. Step 3: Cross multiply
    162,903.29x = 224,819.15 × 91,289.97
  4. Step 4: Simplify right side
    162,903.29x = 20,523,733,002.48
  5. Step 5: Solve for x
    x = 20,523,733,002.48/162,903.29
  6. Step 6: Final answer
    x = 125,987.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.