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Finding the Fourth Proportional to 180,338.92, 248,839.14 and 116,679.40

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Solution

The fourth proportional to 180,338.92, 248,839.14 and 116,679.40 is: 160,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,338.92 : 248,839.14 = 116,679.40 : x
  2. Step 2: Convert to fraction form
    180,338.92/248,839.14 = 116,679.40/x
  3. Step 3: Cross multiply
    180,338.92x = 248,839.14 × 116,679.40
  4. Step 4: Simplify right side
    180,338.92x = 29,034,401,551.72
  5. Step 5: Solve for x
    x = 29,034,401,551.72/180,338.92
  6. Step 6: Final answer
    x = 160,999.09

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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.