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Finding the Fourth Proportional to 88,291.70, 132,322.35 and 40,901.30

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Solution

The fourth proportional to 88,291.70, 132,322.35 and 40,901.30 is: 61,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,291.70 : 132,322.35 = 40,901.30 : x
  2. Step 2: Convert to fraction form
    88,291.70/132,322.35 = 40,901.30/x
  3. Step 3: Cross multiply
    88,291.70x = 132,322.35 × 40,901.30
  4. Step 4: Simplify right side
    88,291.70x = 5,412,156,134.06
  5. Step 5: Solve for x
    x = 5,412,156,134.06/88,291.70
  6. Step 6: Final answer
    x = 61,298.58

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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.