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Finding the Fourth Proportional to 88,595.70, 132,893.55 and 83,411.70

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Solution

The fourth proportional to 88,595.70, 132,893.55 and 83,411.70 is: 125,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.70 : 132,893.55 = 83,411.70 : x
  2. Step 2: Convert to fraction form
    88,595.70/132,893.55 = 83,411.70/x
  3. Step 3: Cross multiply
    88,595.70x = 132,893.55 × 83,411.70
  4. Step 4: Simplify right side
    88,595.70x = 11,084,876,924.54
  5. Step 5: Solve for x
    x = 11,084,876,924.54/88,595.70
  6. Step 6: Final answer
    x = 125,117.55

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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.