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Finding the Fourth Proportional to 86,151.66, 129,174.56 and 33,499.76

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Solution

The fourth proportional to 86,151.66, 129,174.56 and 33,499.76 is: 50,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,151.66 : 129,174.56 = 33,499.76 : x
  2. Step 2: Convert to fraction form
    86,151.66/129,174.56 = 33,499.76/x
  3. Step 3: Cross multiply
    86,151.66x = 129,174.56 × 33,499.76
  4. Step 4: Simplify right side
    86,151.66x = 4,327,316,758.11
  5. Step 5: Solve for x
    x = 4,327,316,758.11/86,151.66
  6. Step 6: Final answer
    x = 50,229.06

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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.