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Finding the Fourth Proportional to 59,149, 88,645.74 and 29,179.72

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Solution

The fourth proportional to 59,149, 88,645.74 and 29,179.72 is: 43,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,149 : 88,645.74 = 29,179.72 : x
  2. Step 2: Convert to fraction form
    59,149/88,645.74 = 29,179.72/x
  3. Step 3: Cross multiply
    59,149x = 88,645.74 × 29,179.72
  4. Step 4: Simplify right side
    59,149x = 2,586,657,872.39
  5. Step 5: Solve for x
    x = 2,586,657,872.39/59,149
  6. Step 6: Final answer
    x = 43,731.22

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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.