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Finding the Fourth Proportional to 88,569.60, 133,059.20 and 60,921.60

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Solution

The fourth proportional to 88,569.60, 133,059.20 and 60,921.60 is: 91,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,569.60 : 133,059.20 = 60,921.60 : x
  2. Step 2: Convert to fraction form
    88,569.60/133,059.20 = 60,921.60/x
  3. Step 3: Cross multiply
    88,569.60x = 133,059.20 × 60,921.60
  4. Step 4: Simplify right side
    88,569.60x = 8,106,179,358.72
  5. Step 5: Solve for x
    x = 8,106,179,358.72/88,569.60
  6. Step 6: Final answer
    x = 91,523.27

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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.