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Finding the Fourth Proportional to 185,754.80, 256,337.29 and 109,278.82

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Solution

The fourth proportional to 185,754.80, 256,337.29 and 109,278.82 is: 150,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,754.80 : 256,337.29 = 109,278.82 : x
  2. Step 2: Convert to fraction form
    185,754.80/256,337.29 = 109,278.82/x
  3. Step 3: Cross multiply
    185,754.80x = 256,337.29 × 109,278.82
  4. Step 4: Simplify right side
    185,754.80x = 28,012,236,825.32
  5. Step 5: Solve for x
    x = 28,012,236,825.32/185,754.80
  6. Step 6: Final answer
    x = 150,802.22

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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.