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Finding the Fourth Proportional to 102,479.66, 153,723.58 and 32,358.96

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Solution

The fourth proportional to 102,479.66, 153,723.58 and 32,358.96 is: 48,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,479.66 : 153,723.58 = 32,358.96 : x
  2. Step 2: Convert to fraction form
    102,479.66/153,723.58 = 32,358.96/x
  3. Step 3: Cross multiply
    102,479.66x = 153,723.58 × 32,358.96
  4. Step 4: Simplify right side
    102,479.66x = 4,974,335,176.28
  5. Step 5: Solve for x
    x = 4,974,335,176.28/102,479.66
  6. Step 6: Final answer
    x = 48,539.73

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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.