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Finding the Fourth Proportional to 256,060.60, 353,363.65 and 141,339.27

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Solution

The fourth proportional to 256,060.60, 353,363.65 and 141,339.27 is: 195,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,060.60 : 353,363.65 = 141,339.27 : x
  2. Step 2: Convert to fraction form
    256,060.60/353,363.65 = 141,339.27/x
  3. Step 3: Cross multiply
    256,060.60x = 353,363.65 × 141,339.27
  4. Step 4: Simplify right side
    256,060.60x = 49,944,160,335.54
  5. Step 5: Solve for x
    x = 49,944,160,335.54/256,060.60
  6. Step 6: Final answer
    x = 195,048.20

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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.