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Finding the Fourth Proportional to 83,295.32, 124,942.88 and 27,135.34

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Solution

The fourth proportional to 83,295.32, 124,942.88 and 27,135.34 is: 40,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,295.32 : 124,942.88 = 27,135.34 : x
  2. Step 2: Convert to fraction form
    83,295.32/124,942.88 = 27,135.34/x
  3. Step 3: Cross multiply
    83,295.32x = 124,942.88 × 27,135.34
  4. Step 4: Simplify right side
    83,295.32x = 3,390,367,529.38
  5. Step 5: Solve for x
    x = 3,390,367,529.38/83,295.32
  6. Step 6: Final answer
    x = 40,702.98

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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.