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Finding the Fourth Proportional to 254,381.25, 351,046.13 and 141,214.53

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Solution

The fourth proportional to 254,381.25, 351,046.13 and 141,214.53 is: 194,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,381.25 : 351,046.13 = 141,214.53 : x
  2. Step 2: Convert to fraction form
    254,381.25/351,046.13 = 141,214.53/x
  3. Step 3: Cross multiply
    254,381.25x = 351,046.13 × 141,214.53
  4. Step 4: Simplify right side
    254,381.25x = 49,572,813,550.20
  5. Step 5: Solve for x
    x = 49,572,813,550.20/254,381.25
  6. Step 6: Final answer
    x = 194,876.05

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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.