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Finding the Fourth Proportional to 252,618.96, 348,614.46 and 139,441.71

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Solution

The fourth proportional to 252,618.96, 348,614.46 and 139,441.71 is: 192,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,618.96 : 348,614.46 = 139,441.71 : x
  2. Step 2: Convert to fraction form
    252,618.96/348,614.46 = 139,441.71/x
  3. Step 3: Cross multiply
    252,618.96x = 348,614.46 × 139,441.71
  4. Step 4: Simplify right side
    252,618.96x = 48,611,396,433.13
  5. Step 5: Solve for x
    x = 48,611,396,433.13/252,618.96
  6. Step 6: Final answer
    x = 192,429.72

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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.