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Finding the Fourth Proportional to 256,616.02, 354,115.78 and 141,888.04

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Solution

The fourth proportional to 256,616.02, 354,115.78 and 141,888.04 is: 195,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,616.02 : 354,115.78 = 141,888.04 : x
  2. Step 2: Convert to fraction form
    256,616.02/354,115.78 = 141,888.04/x
  3. Step 3: Cross multiply
    256,616.02x = 354,115.78 × 141,888.04
  4. Step 4: Simplify right side
    256,616.02x = 50,244,793,957.27
  5. Step 5: Solve for x
    x = 50,244,793,957.27/256,616.02
  6. Step 6: Final answer
    x = 195,797.57

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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.