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Finding the Fourth Proportional to 256,095.61, 353,402.68 and 141,371.79

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Solution

The fourth proportional to 256,095.61, 353,402.68 and 141,371.79 is: 195,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,095.61 : 353,402.68 = 141,371.79 : x
  2. Step 2: Convert to fraction form
    256,095.61/353,402.68 = 141,371.79/x
  3. Step 3: Cross multiply
    256,095.61x = 353,402.68 × 141,371.79
  4. Step 4: Simplify right side
    256,095.61x = 49,961,169,108.97
  5. Step 5: Solve for x
    x = 49,961,169,108.97/256,095.61
  6. Step 6: Final answer
    x = 195,087.96

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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.