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Finding the Fourth Proportional to 83,154.98, 124,749.78 and 26,996.24

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Solution

The fourth proportional to 83,154.98, 124,749.78 and 26,996.24 is: 40,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,154.98 : 124,749.78 = 26,996.24 : x
  2. Step 2: Convert to fraction form
    83,154.98/124,749.78 = 26,996.24/x
  3. Step 3: Cross multiply
    83,154.98x = 124,749.78 × 26,996.24
  4. Step 4: Simplify right side
    83,154.98x = 3,367,774,699.57
  5. Step 5: Solve for x
    x = 3,367,774,699.57/83,154.98
  6. Step 6: Final answer
    x = 40,499.98

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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.