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Finding the Fourth Proportional to 100,492.04, 150,737.90 and 38,162.44

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Solution

The fourth proportional to 100,492.04, 150,737.90 and 38,162.44 is: 57,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,492.04 : 150,737.90 = 38,162.44 : x
  2. Step 2: Convert to fraction form
    100,492.04/150,737.90 = 38,162.44/x
  3. Step 3: Cross multiply
    100,492.04x = 150,737.90 × 38,162.44
  4. Step 4: Simplify right side
    100,492.04x = 5,752,526,064.48
  5. Step 5: Solve for x
    x = 5,752,526,064.48/100,492.04
  6. Step 6: Final answer
    x = 57,243.60

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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.