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Finding the Fourth Proportional to 256,602.28, 354,104.87 and 141,877.90

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Solution

The fourth proportional to 256,602.28, 354,104.87 and 141,877.90 is: 195,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,602.28 : 354,104.87 = 141,877.90 : x
  2. Step 2: Convert to fraction form
    256,602.28/354,104.87 = 141,877.90/x
  3. Step 3: Cross multiply
    256,602.28x = 354,104.87 × 141,877.90
  4. Step 4: Simplify right side
    256,602.28x = 50,239,655,068.61
  5. Step 5: Solve for x
    x = 50,239,655,068.61/256,602.28
  6. Step 6: Final answer
    x = 195,788.03

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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.