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Finding the Fourth Proportional to 178,885.17, 246,867.09 and 98,311.23

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Solution

The fourth proportional to 178,885.17, 246,867.09 and 98,311.23 is: 135,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,885.17 : 246,867.09 = 98,311.23 : x
  2. Step 2: Convert to fraction form
    178,885.17/246,867.09 = 98,311.23/x
  3. Step 3: Cross multiply
    178,885.17x = 246,867.09 × 98,311.23
  4. Step 4: Simplify right side
    178,885.17x = 24,269,807,264.42
  5. Step 5: Solve for x
    x = 24,269,807,264.42/178,885.17
  6. Step 6: Final answer
    x = 135,672.55

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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.