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Finding the Fourth Proportional to 88,059.40, 132,145.80 and 48,644.80

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Solution

The fourth proportional to 88,059.40, 132,145.80 and 48,644.80 is: 72,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,059.40 : 132,145.80 = 48,644.80 : x
  2. Step 2: Convert to fraction form
    88,059.40/132,145.80 = 48,644.80/x
  3. Step 3: Cross multiply
    88,059.40x = 132,145.80 × 48,644.80
  4. Step 4: Simplify right side
    88,059.40x = 6,428,206,011.84
  5. Step 5: Solve for x
    x = 6,428,206,011.84/88,059.40
  6. Step 6: Final answer
    x = 72,998.52

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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.