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Finding the Fourth Proportional to 100,607.65, 150,856.80 and 41,449.30

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Solution

The fourth proportional to 100,607.65, 150,856.80 and 41,449.30 is: 62,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,607.65 : 150,856.80 = 41,449.30 : x
  2. Step 2: Convert to fraction form
    100,607.65/150,856.80 = 41,449.30/x
  3. Step 3: Cross multiply
    100,607.65x = 150,856.80 × 41,449.30
  4. Step 4: Simplify right side
    100,607.65x = 6,252,908,760.24
  5. Step 5: Solve for x
    x = 6,252,908,760.24/100,607.65
  6. Step 6: Final answer
    x = 62,151.42

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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.