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Finding the Fourth Proportional to 88,732.90, 132,949.04 and 53,598.76

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Solution

The fourth proportional to 88,732.90, 132,949.04 and 53,598.76 is: 80,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,732.90 : 132,949.04 = 53,598.76 : x
  2. Step 2: Convert to fraction form
    88,732.90/132,949.04 = 53,598.76/x
  3. Step 3: Cross multiply
    88,732.90x = 132,949.04 × 53,598.76
  4. Step 4: Simplify right side
    88,732.90x = 7,125,903,687.19
  5. Step 5: Solve for x
    x = 7,125,903,687.19/88,732.90
  6. Step 6: Final answer
    x = 80,307.35

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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.