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Finding the Fourth Proportional to 83,126.01, 124,706.56 and 26,961.76

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Solution

The fourth proportional to 83,126.01, 124,706.56 and 26,961.76 is: 40,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126.01 : 124,706.56 = 26,961.76 : x
  2. Step 2: Convert to fraction form
    83,126.01/124,706.56 = 26,961.76/x
  3. Step 3: Cross multiply
    83,126.01x = 124,706.56 × 26,961.76
  4. Step 4: Simplify right side
    83,126.01x = 3,362,308,385.39
  5. Step 5: Solve for x
    x = 3,362,308,385.39/83,126.01
  6. Step 6: Final answer
    x = 40,448.33

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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.