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Finding the Fourth Proportional to 88,323.40, 132,182.70 and 53,288.20

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Solution

The fourth proportional to 88,323.40, 132,182.70 and 53,288.20 is: 79,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,323.40 : 132,182.70 = 53,288.20 : x
  2. Step 2: Convert to fraction form
    88,323.40/132,182.70 = 53,288.20/x
  3. Step 3: Cross multiply
    88,323.40x = 132,182.70 × 53,288.20
  4. Step 4: Simplify right side
    88,323.40x = 7,043,778,154.14
  5. Step 5: Solve for x
    x = 7,043,778,154.14/88,323.40
  6. Step 6: Final answer
    x = 79,749.85

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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.