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Finding the Fourth Proportional to 254,140.56, 350,713.98 and 140,963.22

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Solution

The fourth proportional to 254,140.56, 350,713.98 and 140,963.22 is: 194,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,140.56 : 350,713.98 = 140,963.22 : x
  2. Step 2: Convert to fraction form
    254,140.56/350,713.98 = 140,963.22/x
  3. Step 3: Cross multiply
    254,140.56x = 350,713.98 × 140,963.22
  4. Step 4: Simplify right side
    254,140.56x = 49,437,771,919.82
  5. Step 5: Solve for x
    x = 49,437,771,919.82/254,140.56
  6. Step 6: Final answer
    x = 194,529.25

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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.