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Finding the Fourth Proportional to 178,608.30, 246,482.01 and 98,034.36

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Solution

The fourth proportional to 178,608.30, 246,482.01 and 98,034.36 is: 135,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,608.30 : 246,482.01 = 98,034.36 : x
  2. Step 2: Convert to fraction form
    178,608.30/246,482.01 = 98,034.36/x
  3. Step 3: Cross multiply
    178,608.30x = 246,482.01 × 98,034.36
  4. Step 4: Simplify right side
    178,608.30x = 24,163,706,101.86
  5. Step 5: Solve for x
    x = 24,163,706,101.86/178,608.30
  6. Step 6: Final answer
    x = 135,288.82

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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.