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Finding the Fourth Proportional to 254,248, 350,861.97 and 139,527.30

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Solution

The fourth proportional to 254,248, 350,861.97 and 139,527.30 is: 192,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,248 : 350,861.97 = 139,527.30 : x
  2. Step 2: Convert to fraction form
    254,248/350,861.97 = 139,527.30/x
  3. Step 3: Cross multiply
    254,248x = 350,861.97 × 139,527.30
  4. Step 4: Simplify right side
    254,248x = 48,954,823,346.78
  5. Step 5: Solve for x
    x = 48,954,823,346.78/254,248
  6. Step 6: Final answer
    x = 192,547.53

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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.