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Finding the Fourth Proportional to 88,293.80, 132,444.78 and 29,134.64

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Solution

The fourth proportional to 88,293.80, 132,444.78 and 29,134.64 is: 43,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,293.80 : 132,444.78 = 29,134.64 : x
  2. Step 2: Convert to fraction form
    88,293.80/132,444.78 = 29,134.64/x
  3. Step 3: Cross multiply
    88,293.80x = 132,444.78 × 29,134.64
  4. Step 4: Simplify right side
    88,293.80x = 3,858,730,985.18
  5. Step 5: Solve for x
    x = 3,858,730,985.18/88,293.80
  6. Step 6: Final answer
    x = 43,703.31

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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.