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Finding the Fourth Proportional to 254,082.68, 350,631.69 and 139,358.97

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Solution

The fourth proportional to 254,082.68, 350,631.69 and 139,358.97 is: 192,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,082.68 : 350,631.69 = 139,358.97 : x
  2. Step 2: Convert to fraction form
    254,082.68/350,631.69 = 139,358.97/x
  3. Step 3: Cross multiply
    254,082.68x = 350,631.69 × 139,358.97
  4. Step 4: Simplify right side
    254,082.68x = 48,863,671,167.76
  5. Step 5: Solve for x
    x = 48,863,671,167.76/254,082.68
  6. Step 6: Final answer
    x = 192,314.06

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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.