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Finding the Fourth Proportional to 88,882.40, 133,064.40 and 79,551.20

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Solution

The fourth proportional to 88,882.40, 133,064.40 and 79,551.20 is: 119,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,882.40 : 133,064.40 = 79,551.20 : x
  2. Step 2: Convert to fraction form
    88,882.40/133,064.40 = 79,551.20/x
  3. Step 3: Cross multiply
    88,882.40x = 133,064.40 × 79,551.20
  4. Step 4: Simplify right side
    88,882.40x = 10,585,432,697.28
  5. Step 5: Solve for x
    x = 10,585,432,697.28/88,882.40
  6. Step 6: Final answer
    x = 119,094.81

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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.