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Finding the Fourth Proportional to 100,267.01, 150,419.50 and 40,300.16

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Solution

The fourth proportional to 100,267.01, 150,419.50 and 40,300.16 is: 60,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,267.01 : 150,419.50 = 40,300.16 : x
  2. Step 2: Convert to fraction form
    100,267.01/150,419.50 = 40,300.16/x
  3. Step 3: Cross multiply
    100,267.01x = 150,419.50 × 40,300.16
  4. Step 4: Simplify right side
    100,267.01x = 6,061,929,064.27
  5. Step 5: Solve for x
    x = 6,061,929,064.27/100,267.01
  6. Step 6: Final answer
    x = 60,457.86

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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.