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Finding the Fourth Proportional to 108,565.50, 162,848.32 and 29,673.80

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Solution

The fourth proportional to 108,565.50, 162,848.32 and 29,673.80 is: 44,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.50 : 162,848.32 = 29,673.80 : x
  2. Step 2: Convert to fraction form
    108,565.50/162,848.32 = 29,673.80/x
  3. Step 3: Cross multiply
    108,565.50x = 162,848.32 × 29,673.80
  4. Step 4: Simplify right side
    108,565.50x = 4,832,328,145.08
  5. Step 5: Solve for x
    x = 4,832,328,145.08/108,565.50
  6. Step 6: Final answer
    x = 44,510.72

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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.