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Finding the Fourth Proportional to 140,959.93, 211,440.60 and 35,778.93

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Solution

The fourth proportional to 140,959.93, 211,440.60 and 35,778.93 is: 53,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,959.93 : 211,440.60 = 35,778.93 : x
  2. Step 2: Convert to fraction form
    140,959.93/211,440.60 = 35,778.93/x
  3. Step 3: Cross multiply
    140,959.93x = 211,440.60 × 35,778.93
  4. Step 4: Simplify right side
    140,959.93x = 7,565,118,426.56
  5. Step 5: Solve for x
    x = 7,565,118,426.56/140,959.93
  6. Step 6: Final answer
    x = 53,668.57

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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.