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Finding the Fourth Proportional to 140,182.86, 193,456.71 and 79,762.26

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Solution

The fourth proportional to 140,182.86, 193,456.71 and 79,762.26 is: 110,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,182.86 : 193,456.71 = 79,762.26 : x
  2. Step 2: Convert to fraction form
    140,182.86/193,456.71 = 79,762.26/x
  3. Step 3: Cross multiply
    140,182.86x = 193,456.71 × 79,762.26
  4. Step 4: Simplify right side
    140,182.86x = 15,430,544,401.76
  5. Step 5: Solve for x
    x = 15,430,544,401.76/140,182.86
  6. Step 6: Final answer
    x = 110,074.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.