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Finding the Fourth Proportional to 256,060.59, 353,363.64 and 141,339.26

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Solution

The fourth proportional to 256,060.59, 353,363.64 and 141,339.26 is: 195,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,060.59 : 353,363.64 = 141,339.26 : x
  2. Step 2: Convert to fraction form
    256,060.59/353,363.64 = 141,339.26/x
  3. Step 3: Cross multiply
    256,060.59x = 353,363.64 × 141,339.26
  4. Step 4: Simplify right side
    256,060.59x = 49,944,156,139.41
  5. Step 5: Solve for x
    x = 49,944,156,139.41/256,060.59
  6. Step 6: Final answer
    x = 195,048.19

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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.