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Finding the Fourth Proportional to 88,041.60, 132,159.60 and 54,799.20

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Solution

The fourth proportional to 88,041.60, 132,159.60 and 54,799.20 is: 82,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,041.60 : 132,159.60 = 54,799.20 : x
  2. Step 2: Convert to fraction form
    88,041.60/132,159.60 = 54,799.20/x
  3. Step 3: Cross multiply
    88,041.60x = 132,159.60 × 54,799.20
  4. Step 4: Simplify right side
    88,041.60x = 7,242,240,352.32
  5. Step 5: Solve for x
    x = 7,242,240,352.32/88,041.60
  6. Step 6: Final answer
    x = 82,259.30

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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.