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Finding the Fourth Proportional to 178,763.59, 246,694.81 and 98,189.04

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Solution

The fourth proportional to 178,763.59, 246,694.81 and 98,189.04 is: 135,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,763.59 : 246,694.81 = 98,189.04 : x
  2. Step 2: Convert to fraction form
    178,763.59/246,694.81 = 98,189.04/x
  3. Step 3: Cross multiply
    178,763.59x = 246,694.81 × 98,189.04
  4. Step 4: Simplify right side
    178,763.59x = 24,222,726,566.88
  5. Step 5: Solve for x
    x = 24,222,726,566.88/178,763.59
  6. Step 6: Final answer
    x = 135,501.46

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1.5x scale

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.