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Finding the Fourth Proportional to 101,146.47, 150,950.61 and 89,936.67

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Solution

The fourth proportional to 101,146.47, 150,950.61 and 89,936.67 is: 134,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146.47 : 150,950.61 = 89,936.67 : x
  2. Step 2: Convert to fraction form
    101,146.47/150,950.61 = 89,936.67/x
  3. Step 3: Cross multiply
    101,146.47x = 150,950.61 × 89,936.67
  4. Step 4: Simplify right side
    101,146.47x = 13,575,995,197.87
  5. Step 5: Solve for x
    x = 13,575,995,197.87/101,146.47
  6. Step 6: Final answer
    x = 134,221.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.