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Finding the Fourth Proportional to 100,049.29, 150,018.55 and 40,926.49

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Solution

The fourth proportional to 100,049.29, 150,018.55 and 40,926.49 is: 61,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,049.29 : 150,018.55 = 40,926.49 : x
  2. Step 2: Convert to fraction form
    100,049.29/150,018.55 = 40,926.49/x
  3. Step 3: Cross multiply
    100,049.29x = 150,018.55 × 40,926.49
  4. Step 4: Simplify right side
    100,049.29x = 6,139,732,209.03
  5. Step 5: Solve for x
    x = 6,139,732,209.03/100,049.29
  6. Step 6: Final answer
    x = 61,367.08

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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.