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Finding the Fourth Proportional to 147,773.80, 207,408.20 and 147,773.80

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Solution

The fourth proportional to 147,773.80, 207,408.20 and 147,773.80 is: 207,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.80 : 207,408.20 = 147,773.80 : x
  2. Step 2: Convert to fraction form
    147,773.80/207,408.20 = 147,773.80/x
  3. Step 3: Cross multiply
    147,773.80x = 207,408.20 × 147,773.80
  4. Step 4: Simplify right side
    147,773.80x = 30,649,497,865.16
  5. Step 5: Solve for x
    x = 30,649,497,865.16/147,773.80
  6. Step 6: Final answer
    x = 207,408.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.