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Finding the Fourth Proportional to 178,911.82, 246,902.98 and 98,341.48

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Solution

The fourth proportional to 178,911.82, 246,902.98 and 98,341.48 is: 135,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,911.82 : 246,902.98 = 98,341.48 : x
  2. Step 2: Convert to fraction form
    178,911.82/246,902.98 = 98,341.48/x
  3. Step 3: Cross multiply
    178,911.82x = 246,902.98 × 98,341.48
  4. Step 4: Simplify right side
    178,911.82x = 24,280,804,469.61
  5. Step 5: Solve for x
    x = 24,280,804,469.61/178,911.82
  6. Step 6: Final answer
    x = 135,713.81

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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.