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Finding the Fourth Proportional to 88,915.20, 133,267.20 and 44,528.64

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Solution

The fourth proportional to 88,915.20, 133,267.20 and 44,528.64 is: 66,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.20 : 133,267.20 = 44,528.64 : x
  2. Step 2: Convert to fraction form
    88,915.20/133,267.20 = 44,528.64/x
  3. Step 3: Cross multiply
    88,915.20x = 133,267.20 × 44,528.64
  4. Step 4: Simplify right side
    88,915.20x = 5,934,207,172.61
  5. Step 5: Solve for x
    x = 5,934,207,172.61/88,915.20
  6. Step 6: Final answer
    x = 66,740.08

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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.