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Finding the Fourth Proportional to 179,572.68, 247,805.74 and 98,998.34

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Solution

The fourth proportional to 179,572.68, 247,805.74 and 98,998.34 is: 136,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,572.68 : 247,805.74 = 98,998.34 : x
  2. Step 2: Convert to fraction form
    179,572.68/247,805.74 = 98,998.34/x
  3. Step 3: Cross multiply
    179,572.68x = 247,805.74 × 98,998.34
  4. Step 4: Simplify right side
    179,572.68x = 24,532,356,902.47
  5. Step 5: Solve for x
    x = 24,532,356,902.47/179,572.68
  6. Step 6: Final answer
    x = 136,615.20

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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.