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Finding the Fourth Proportional to 179,377.09, 247,531.24 and 98,802.88

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Solution

The fourth proportional to 179,377.09, 247,531.24 and 98,802.88 is: 136,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,377.09 : 247,531.24 = 98,802.88 : x
  2. Step 2: Convert to fraction form
    179,377.09/247,531.24 = 98,802.88/x
  3. Step 3: Cross multiply
    179,377.09x = 247,531.24 × 98,802.88
  4. Step 4: Simplify right side
    179,377.09x = 24,456,799,401.97
  5. Step 5: Solve for x
    x = 24,456,799,401.97/179,377.09
  6. Step 6: Final answer
    x = 136,342.94

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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.