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Finding the Fourth Proportional to 88,235.40, 132,353.10 and 83,934.60

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Solution

The fourth proportional to 88,235.40, 132,353.10 and 83,934.60 is: 125,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,235.40 : 132,353.10 = 83,934.60 : x
  2. Step 2: Convert to fraction form
    88,235.40/132,353.10 = 83,934.60/x
  3. Step 3: Cross multiply
    88,235.40x = 132,353.10 × 83,934.60
  4. Step 4: Simplify right side
    88,235.40x = 11,109,004,507.26
  5. Step 5: Solve for x
    x = 11,109,004,507.26/88,235.40
  6. Step 6: Final answer
    x = 125,901.90

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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.