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Finding the Fourth Proportional to 88,032.80, 131,854.80 and 35,415.20

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Solution

The fourth proportional to 88,032.80, 131,854.80 and 35,415.20 is: 53,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,032.80 : 131,854.80 = 35,415.20 : x
  2. Step 2: Convert to fraction form
    88,032.80/131,854.80 = 35,415.20/x
  3. Step 3: Cross multiply
    88,032.80x = 131,854.80 × 35,415.20
  4. Step 4: Simplify right side
    88,032.80x = 4,669,664,112.96
  5. Step 5: Solve for x
    x = 4,669,664,112.96/88,032.80
  6. Step 6: Final answer
    x = 53,044.59

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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.