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Finding the Fourth Proportional to 88,015.60, 132,042.84 and 43,666.48

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Solution

The fourth proportional to 88,015.60, 132,042.84 and 43,666.48 is: 65,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,015.60 : 132,042.84 = 43,666.48 : x
  2. Step 2: Convert to fraction form
    88,015.60/132,042.84 = 43,666.48/x
  3. Step 3: Cross multiply
    88,015.60x = 132,042.84 × 43,666.48
  4. Step 4: Simplify right side
    88,015.60x = 5,765,846,032.00
  5. Step 5: Solve for x
    x = 5,765,846,032.00/88,015.60
  6. Step 6: Final answer
    x = 65,509.36

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1.5x scale

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.