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Finding the Fourth Proportional to 178,866, 246,836.28 and 98,300.16

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Solution

The fourth proportional to 178,866, 246,836.28 and 98,300.16 is: 135,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,866 : 246,836.28 = 98,300.16 : x
  2. Step 2: Convert to fraction form
    178,866/246,836.28 = 98,300.16/x
  3. Step 3: Cross multiply
    178,866x = 246,836.28 × 98,300.16
  4. Step 4: Simplify right side
    178,866x = 24,264,045,817.80
  5. Step 5: Solve for x
    x = 24,264,045,817.80/178,866
  6. Step 6: Final answer
    x = 135,654.88

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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.