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Finding the Fourth Proportional to 99,854.80, 149,807.58 and 29,734.72

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Solution

The fourth proportional to 99,854.80, 149,807.58 and 29,734.72 is: 44,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.80 : 149,807.58 = 29,734.72 : x
  2. Step 2: Convert to fraction form
    99,854.80/149,807.58 = 29,734.72/x
  3. Step 3: Cross multiply
    99,854.80x = 149,807.58 × 29,734.72
  4. Step 4: Simplify right side
    99,854.80x = 4,454,486,445.18
  5. Step 5: Solve for x
    x = 4,454,486,445.18/99,854.80
  6. Step 6: Final answer
    x = 44,609.64

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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.