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Finding the Fourth Proportional to 185,616.29, 256,150.35 and 105,042.35

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Solution

The fourth proportional to 185,616.29, 256,150.35 and 105,042.35 is: 144,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.29 : 256,150.35 = 105,042.35 : x
  2. Step 2: Convert to fraction form
    185,616.29/256,150.35 = 105,042.35/x
  3. Step 3: Cross multiply
    185,616.29x = 256,150.35 × 105,042.35
  4. Step 4: Simplify right side
    185,616.29x = 26,906,635,357.70
  5. Step 5: Solve for x
    x = 26,906,635,357.70/185,616.29
  6. Step 6: Final answer
    x = 144,958.37

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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.