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Finding the Fourth Proportional to 180,408.54, 248,957.65 and 99,839.46

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Solution

The fourth proportional to 180,408.54, 248,957.65 and 99,839.46 is: 137,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,408.54 : 248,957.65 = 99,839.46 : x
  2. Step 2: Convert to fraction form
    180,408.54/248,957.65 = 99,839.46/x
  3. Step 3: Cross multiply
    180,408.54x = 248,957.65 × 99,839.46
  4. Step 4: Simplify right side
    180,408.54x = 24,855,797,338.87
  5. Step 5: Solve for x
    x = 24,855,797,338.87/180,408.54
  6. Step 6: Final answer
    x = 137,775.06

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1.5x scale

Why These Related Problems?

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