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Finding the Fourth Proportional to 256,602.41, 354,105.04 and 141,878.03

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Solution

The fourth proportional to 256,602.41, 354,105.04 and 141,878.03 is: 195,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,602.41 : 354,105.04 = 141,878.03 : x
  2. Step 2: Convert to fraction form
    256,602.41/354,105.04 = 141,878.03/x
  3. Step 3: Cross multiply
    256,602.41x = 354,105.04 × 141,878.03
  4. Step 4: Simplify right side
    256,602.41x = 50,239,723,008.36
  5. Step 5: Solve for x
    x = 50,239,723,008.36/256,602.41
  6. Step 6: Final answer
    x = 195,788.20

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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.