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Finding the Fourth Proportional to 256,500.62, 353,959.88 and 141,773.40

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Solution

The fourth proportional to 256,500.62, 353,959.88 and 141,773.40 is: 195,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,500.62 : 353,959.88 = 141,773.40 : x
  2. Step 2: Convert to fraction form
    256,500.62/353,959.88 = 141,773.40/x
  3. Step 3: Cross multiply
    256,500.62x = 353,959.88 × 141,773.40
  4. Step 4: Simplify right side
    256,500.62x = 50,182,095,651.19
  5. Step 5: Solve for x
    x = 50,182,095,651.19/256,500.62
  6. Step 6: Final answer
    x = 195,641.23

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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.