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Finding the Fourth Proportional to 88,011.60, 132,036.84 and 43,662.48

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Solution

The fourth proportional to 88,011.60, 132,036.84 and 43,662.48 is: 65,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.60 : 132,036.84 = 43,662.48 : x
  2. Step 2: Convert to fraction form
    88,011.60/132,036.84 = 43,662.48/x
  3. Step 3: Cross multiply
    88,011.60x = 132,036.84 × 43,662.48
  4. Step 4: Simplify right side
    88,011.60x = 5,765,055,885.76
  5. Step 5: Solve for x
    x = 5,765,055,885.76/88,011.60
  6. Step 6: Final answer
    x = 65,503.36

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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.