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Finding the Fourth Proportional to 176,732.69, 243,882.50 and 100,258.86

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Solution

The fourth proportional to 176,732.69, 243,882.50 and 100,258.86 is: 138,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,732.69 : 243,882.50 = 100,258.86 : x
  2. Step 2: Convert to fraction form
    176,732.69/243,882.50 = 100,258.86/x
  3. Step 3: Cross multiply
    176,732.69x = 243,882.50 × 100,258.86
  4. Step 4: Simplify right side
    176,732.69x = 24,451,381,837.22
  5. Step 5: Solve for x
    x = 24,451,381,837.22/176,732.69
  6. Step 6: Final answer
    x = 138,352.35

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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.