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Finding the Fourth Proportional to 88,005.60, 132,027.84 and 43,656.48

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Solution

The fourth proportional to 88,005.60, 132,027.84 and 43,656.48 is: 65,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,005.60 : 132,027.84 = 43,656.48 : x
  2. Step 2: Convert to fraction form
    88,005.60/132,027.84 = 43,656.48/x
  3. Step 3: Cross multiply
    88,005.60x = 132,027.84 × 43,656.48
  4. Step 4: Simplify right side
    88,005.60x = 5,763,870,756.40
  5. Step 5: Solve for x
    x = 5,763,870,756.40/88,005.60
  6. Step 6: Final answer
    x = 65,494.36

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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.