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Finding the Fourth Proportional to 141,259.54, 211,918.47 and 41,422.90

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Solution

The fourth proportional to 141,259.54, 211,918.47 and 41,422.90 is: 62,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,259.54 : 211,918.47 = 41,422.90 : x
  2. Step 2: Convert to fraction form
    141,259.54/211,918.47 = 41,422.90/x
  3. Step 3: Cross multiply
    141,259.54x = 211,918.47 × 41,422.90
  4. Step 4: Simplify right side
    141,259.54x = 8,778,277,590.96
  5. Step 5: Solve for x
    x = 8,778,277,590.96/141,259.54
  6. Step 6: Final answer
    x = 62,142.90

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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.