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Finding the Fourth Proportional to 109,778.38, 151,410.57 and 94,490.94

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Solution

The fourth proportional to 109,778.38, 151,410.57 and 94,490.94 is: 130,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,778.38 : 151,410.57 = 94,490.94 : x
  2. Step 2: Convert to fraction form
    109,778.38/151,410.57 = 94,490.94/x
  3. Step 3: Cross multiply
    109,778.38x = 151,410.57 × 94,490.94
  4. Step 4: Simplify right side
    109,778.38x = 14,306,926,612.78
  5. Step 5: Solve for x
    x = 14,306,926,612.78/109,778.38
  6. Step 6: Final answer
    x = 130,325.55

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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.