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Finding the Fourth Proportional to 88,925.20, 133,096.20 and 69,096.40

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Solution

The fourth proportional to 88,925.20, 133,096.20 and 69,096.40 is: 103,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,925.20 : 133,096.20 = 69,096.40 : x
  2. Step 2: Convert to fraction form
    88,925.20/133,096.20 = 69,096.40/x
  3. Step 3: Cross multiply
    88,925.20x = 133,096.20 × 69,096.40
  4. Step 4: Simplify right side
    88,925.20x = 9,196,468,273.68
  5. Step 5: Solve for x
    x = 9,196,468,273.68/88,925.20
  6. Step 6: Final answer
    x = 103,418.02

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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.