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Finding the Fourth Proportional to 185,754.69, 256,337.14 and 109,278.71

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Solution

The fourth proportional to 185,754.69, 256,337.14 and 109,278.71 is: 150,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,754.69 : 256,337.14 = 109,278.71 : x
  2. Step 2: Convert to fraction form
    185,754.69/256,337.14 = 109,278.71/x
  3. Step 3: Cross multiply
    185,754.69x = 256,337.14 × 109,278.71
  4. Step 4: Simplify right side
    185,754.69x = 28,012,192,488.53
  5. Step 5: Solve for x
    x = 28,012,192,488.53/185,754.69
  6. Step 6: Final answer
    x = 150,802.07

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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.