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Finding the Fourth Proportional to 179,287.84, 247,415.40 and 98,713.84

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Solution

The fourth proportional to 179,287.84, 247,415.40 and 98,713.84 is: 136,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,287.84 : 247,415.40 = 98,713.84 : x
  2. Step 2: Convert to fraction form
    179,287.84/247,415.40 = 98,713.84/x
  3. Step 3: Cross multiply
    179,287.84x = 247,415.40 × 98,713.84
  4. Step 4: Simplify right side
    179,287.84x = 24,423,324,209.14
  5. Step 5: Solve for x
    x = 24,423,324,209.14/179,287.84
  6. Step 6: Final answer
    x = 136,224.10

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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.