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Finding the Fourth Proportional to 88,347.83, 132,493.48 and 29,172.47

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Solution

The fourth proportional to 88,347.83, 132,493.48 and 29,172.47 is: 43,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,347.83 : 132,493.48 = 29,172.47 : x
  2. Step 2: Convert to fraction form
    88,347.83/132,493.48 = 29,172.47/x
  3. Step 3: Cross multiply
    88,347.83x = 132,493.48 × 29,172.47
  4. Step 4: Simplify right side
    88,347.83x = 3,865,162,070.50
  5. Step 5: Solve for x
    x = 3,865,162,070.50/88,347.83
  6. Step 6: Final answer
    x = 43,749.37

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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.