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Finding the Fourth Proportional to 96,379.71, 144,587.16 and 29,815.32

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Solution

The fourth proportional to 96,379.71, 144,587.16 and 29,815.32 is: 44,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,379.71 : 144,587.16 = 29,815.32 : x
  2. Step 2: Convert to fraction form
    96,379.71/144,587.16 = 29,815.32/x
  3. Step 3: Cross multiply
    96,379.71x = 144,587.16 × 29,815.32
  4. Step 4: Simplify right side
    96,379.71x = 4,310,912,443.29
  5. Step 5: Solve for x
    x = 4,310,912,443.29/96,379.71
  6. Step 6: Final answer
    x = 44,728.42

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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.