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Finding the Fourth Proportional to 162,125.69, 223,669.15 and 108,325.49

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Solution

The fourth proportional to 162,125.69, 223,669.15 and 108,325.49 is: 149,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,125.69 : 223,669.15 = 108,325.49 : x
  2. Step 2: Convert to fraction form
    162,125.69/223,669.15 = 108,325.49/x
  3. Step 3: Cross multiply
    162,125.69x = 223,669.15 × 108,325.49
  4. Step 4: Simplify right side
    162,125.69x = 24,229,068,882.47
  5. Step 5: Solve for x
    x = 24,229,068,882.47/162,125.69
  6. Step 6: Final answer
    x = 149,446.21

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1.5x scale

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.