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Finding the Fourth Proportional to 88,555.60, 132,833.40 and 79,807.60

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Solution

The fourth proportional to 88,555.60, 132,833.40 and 79,807.60 is: 119,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,555.60 : 132,833.40 = 79,807.60 : x
  2. Step 2: Convert to fraction form
    88,555.60/132,833.40 = 79,807.60/x
  3. Step 3: Cross multiply
    88,555.60x = 132,833.40 × 79,807.60
  4. Step 4: Simplify right side
    88,555.60x = 10,601,114,853.84
  5. Step 5: Solve for x
    x = 10,601,114,853.84/88,555.60
  6. Step 6: Final answer
    x = 119,711.40

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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.