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Finding the Fourth Proportional to 254,514.78, 351,246.65 and 141,337.53

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Solution

The fourth proportional to 254,514.78, 351,246.65 and 141,337.53 is: 195,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,514.78 : 351,246.65 = 141,337.53 : x
  2. Step 2: Convert to fraction form
    254,514.78/351,246.65 = 141,337.53/x
  3. Step 3: Cross multiply
    254,514.78x = 351,246.65 × 141,337.53
  4. Step 4: Simplify right side
    254,514.78x = 49,644,333,225.09
  5. Step 5: Solve for x
    x = 49,644,333,225.09/254,514.78
  6. Step 6: Final answer
    x = 195,054.81

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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.