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Finding the Fourth Proportional to 256,554.83, 354,014.99 and 141,818.02

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Solution

The fourth proportional to 256,554.83, 354,014.99 and 141,818.02 is: 195,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,554.83 : 354,014.99 = 141,818.02 : x
  2. Step 2: Convert to fraction form
    256,554.83/354,014.99 = 141,818.02/x
  3. Step 3: Cross multiply
    256,554.83x = 354,014.99 × 141,818.02
  4. Step 4: Simplify right side
    256,554.83x = 50,205,704,932.12
  5. Step 5: Solve for x
    x = 50,205,704,932.12/256,554.83
  6. Step 6: Final answer
    x = 195,691.91

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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.