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Finding the Fourth Proportional to 88,464.60, 132,696.90 and 70,968.60

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Solution

The fourth proportional to 88,464.60, 132,696.90 and 70,968.60 is: 106,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464.60 : 132,696.90 = 70,968.60 : x
  2. Step 2: Convert to fraction form
    88,464.60/132,696.90 = 70,968.60/x
  3. Step 3: Cross multiply
    88,464.60x = 132,696.90 × 70,968.60
  4. Step 4: Simplify right side
    88,464.60x = 9,417,313,217.34
  5. Step 5: Solve for x
    x = 9,417,313,217.34/88,464.60
  6. Step 6: Final answer
    x = 106,452.90

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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.