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Finding the Fourth Proportional to 254,113.84, 350,668.20 and 140,947.12

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Solution

The fourth proportional to 254,113.84, 350,668.20 and 140,947.12 is: 194,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,113.84 : 350,668.20 = 140,947.12 : x
  2. Step 2: Convert to fraction form
    254,113.84/350,668.20 = 140,947.12/x
  3. Step 3: Cross multiply
    254,113.84x = 350,668.20 × 140,947.12
  4. Step 4: Simplify right side
    254,113.84x = 49,425,672,865.58
  5. Step 5: Solve for x
    x = 49,425,672,865.58/254,113.84
  6. Step 6: Final answer
    x = 194,502.09

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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.