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Finding the Fourth Proportional to 173,572.80, 239,500.80 and 98,119.68

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Solution

The fourth proportional to 173,572.80, 239,500.80 and 98,119.68 is: 135,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,572.80 : 239,500.80 = 98,119.68 : x
  2. Step 2: Convert to fraction form
    173,572.80/239,500.80 = 98,119.68/x
  3. Step 3: Cross multiply
    173,572.80x = 239,500.80 × 98,119.68
  4. Step 4: Simplify right side
    173,572.80x = 23,499,741,855.74
  5. Step 5: Solve for x
    x = 23,499,741,855.74/173,572.80
  6. Step 6: Final answer
    x = 135,388.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.