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Finding the Fourth Proportional to 101,146.48, 150,950.60 and 89,936.68

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Solution

The fourth proportional to 101,146.48, 150,950.60 and 89,936.68 is: 134,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146.48 : 150,950.60 = 89,936.68 : x
  2. Step 2: Convert to fraction form
    101,146.48/150,950.60 = 89,936.68/x
  3. Step 3: Cross multiply
    101,146.48x = 150,950.60 × 89,936.68
  4. Step 4: Simplify right side
    101,146.48x = 13,575,995,808.01
  5. Step 5: Solve for x
    x = 13,575,995,808.01/101,146.48
  6. Step 6: Final answer
    x = 134,221.14

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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.