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Finding the Fourth Proportional to 178,581.03, 246,441.11 and 98,009.88

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Solution

The fourth proportional to 178,581.03, 246,441.11 and 98,009.88 is: 135,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,581.03 : 246,441.11 = 98,009.88 : x
  2. Step 2: Convert to fraction form
    178,581.03/246,441.11 = 98,009.88/x
  3. Step 3: Cross multiply
    178,581.03x = 246,441.11 × 98,009.88
  4. Step 4: Simplify right side
    178,581.03x = 24,153,663,128.12
  5. Step 5: Solve for x
    x = 24,153,663,128.12/178,581.03
  6. Step 6: Final answer
    x = 135,253.24

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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.