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Finding the Fourth Proportional to 178,293.70, 246,013.05 and 114,616.90

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Solution

The fourth proportional to 178,293.70, 246,013.05 and 114,616.90 is: 158,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,293.70 : 246,013.05 = 114,616.90 : x
  2. Step 2: Convert to fraction form
    178,293.70/246,013.05 = 114,616.90/x
  3. Step 3: Cross multiply
    178,293.70x = 246,013.05 × 114,616.90
  4. Step 4: Simplify right side
    178,293.70x = 28,197,253,150.55
  5. Step 5: Solve for x
    x = 28,197,253,150.55/178,293.70
  6. Step 6: Final answer
    x = 158,150.59

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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.