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Finding the Fourth Proportional to 361,558.78, 542,341.41 and 95,357.14

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Solution

The fourth proportional to 361,558.78, 542,341.41 and 95,357.14 is: 143,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,558.78 : 542,341.41 = 95,357.14 : x
  2. Step 2: Convert to fraction form
    361,558.78/542,341.41 = 95,357.14/x
  3. Step 3: Cross multiply
    361,558.78x = 542,341.41 × 95,357.14
  4. Step 4: Simplify right side
    361,558.78x = 51,716,125,761.17
  5. Step 5: Solve for x
    x = 51,716,125,761.17/361,558.78
  6. Step 6: Final answer
    x = 143,036.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.