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Finding the Fourth Proportional to 178,936, 246,934.80 and 98,366.92

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Solution

The fourth proportional to 178,936, 246,934.80 and 98,366.92 is: 135,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,936 : 246,934.80 = 98,366.92 : x
  2. Step 2: Convert to fraction form
    178,936/246,934.80 = 98,366.92/x
  3. Step 3: Cross multiply
    178,936x = 246,934.80 × 98,366.92
  4. Step 4: Simplify right side
    178,936x = 24,290,215,716.82
  5. Step 5: Solve for x
    x = 24,290,215,716.82/178,936
  6. Step 6: Final answer
    x = 135,748.06

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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.