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Finding the Fourth Proportional to 179,259, 247,393.92 and 98,702.88

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Solution

The fourth proportional to 179,259, 247,393.92 and 98,702.88 is: 136,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,259 : 247,393.92 = 98,702.88 : x
  2. Step 2: Convert to fraction form
    179,259/247,393.92 = 98,702.88/x
  3. Step 3: Cross multiply
    179,259x = 247,393.92 × 98,702.88
  4. Step 4: Simplify right side
    179,259x = 24,418,492,398.49
  5. Step 5: Solve for x
    x = 24,418,492,398.49/179,259
  6. Step 6: Final answer
    x = 136,219.06

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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.