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Finding the Fourth Proportional to 104,641.80, 157,049.10 and 48,568.20

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Solution

The fourth proportional to 104,641.80, 157,049.10 and 48,568.20 is: 72,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,641.80 : 157,049.10 = 48,568.20 : x
  2. Step 2: Convert to fraction form
    104,641.80/157,049.10 = 48,568.20/x
  3. Step 3: Cross multiply
    104,641.80x = 157,049.10 × 48,568.20
  4. Step 4: Simplify right side
    104,641.80x = 7,627,592,098.62
  5. Step 5: Solve for x
    x = 7,627,592,098.62/104,641.80
  6. Step 6: Final answer
    x = 72,892.40

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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.