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Finding the Fourth Proportional to 140,866.38, 211,307.26 and 35,686.26

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Solution

The fourth proportional to 140,866.38, 211,307.26 and 35,686.26 is: 53,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,866.38 : 211,307.26 = 35,686.26 : x
  2. Step 2: Convert to fraction form
    140,866.38/211,307.26 = 35,686.26/x
  3. Step 3: Cross multiply
    140,866.38x = 211,307.26 × 35,686.26
  4. Step 4: Simplify right side
    140,866.38x = 7,540,765,820.25
  5. Step 5: Solve for x
    x = 7,540,765,820.25/140,866.38
  6. Step 6: Final answer
    x = 53,531.34

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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.