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Finding the Fourth Proportional to 254,187.86, 350,809.18 and 141,017.90

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Solution

The fourth proportional to 254,187.86, 350,809.18 and 141,017.90 is: 194,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,187.86 : 350,809.18 = 141,017.90 : x
  2. Step 2: Convert to fraction form
    254,187.86/350,809.18 = 141,017.90/x
  3. Step 3: Cross multiply
    254,187.86x = 350,809.18 × 141,017.90
  4. Step 4: Simplify right side
    254,187.86x = 49,470,371,757.73
  5. Step 5: Solve for x
    x = 49,470,371,757.73/254,187.86
  6. Step 6: Final answer
    x = 194,621.30

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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.