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Finding the Fourth Proportional to 178,842.62, 246,808.88 and 98,273.04

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Solution

The fourth proportional to 178,842.62, 246,808.88 and 98,273.04 is: 135,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,842.62 : 246,808.88 = 98,273.04 : x
  2. Step 2: Convert to fraction form
    178,842.62/246,808.88 = 98,273.04/x
  3. Step 3: Cross multiply
    178,842.62x = 246,808.88 × 98,273.04
  4. Step 4: Simplify right side
    178,842.62x = 24,254,657,211.19
  5. Step 5: Solve for x
    x = 24,254,657,211.19/178,842.62
  6. Step 6: Final answer
    x = 135,620.12

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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.