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Finding the Fourth Proportional to 88,462.40, 132,693.60 and 29,307.20

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Solution

The fourth proportional to 88,462.40, 132,693.60 and 29,307.20 is: 43,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,462.40 : 132,693.60 = 29,307.20 : x
  2. Step 2: Convert to fraction form
    88,462.40/132,693.60 = 29,307.20/x
  3. Step 3: Cross multiply
    88,462.40x = 132,693.60 × 29,307.20
  4. Step 4: Simplify right side
    88,462.40x = 3,888,877,873.92
  5. Step 5: Solve for x
    x = 3,888,877,873.92/88,462.40
  6. Step 6: Final answer
    x = 43,960.80

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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.