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Finding the Fourth Proportional to 95,851.24, 143,668.86 and 42,553.24

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Solution

The fourth proportional to 95,851.24, 143,668.86 and 42,553.24 is: 63,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,851.24 : 143,668.86 = 42,553.24 : x
  2. Step 2: Convert to fraction form
    95,851.24/143,668.86 = 42,553.24/x
  3. Step 3: Cross multiply
    95,851.24x = 143,668.86 × 42,553.24
  4. Step 4: Simplify right side
    95,851.24x = 6,113,575,480.11
  5. Step 5: Solve for x
    x = 6,113,575,480.11/95,851.24
  6. Step 6: Final answer
    x = 63,781.91

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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.