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Finding the Fourth Proportional to 254,255.64, 350,871.66 and 141,078.12

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Solution

The fourth proportional to 254,255.64, 350,871.66 and 141,078.12 is: 194,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,255.64 : 350,871.66 = 141,078.12 : x
  2. Step 2: Convert to fraction form
    254,255.64/350,871.66 = 141,078.12/x
  3. Step 3: Cross multiply
    254,255.64x = 350,871.66 × 141,078.12
  4. Step 4: Simplify right side
    254,255.64x = 49,500,314,154.08
  5. Step 5: Solve for x
    x = 49,500,314,154.08/254,255.64
  6. Step 6: Final answer
    x = 194,687.18

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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.