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Finding the Fourth Proportional to 180,272.57, 248,780.51 and 98,608.49

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Solution

The fourth proportional to 180,272.57, 248,780.51 and 98,608.49 is: 136,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,272.57 : 248,780.51 = 98,608.49 : x
  2. Step 2: Convert to fraction form
    180,272.57/248,780.51 = 98,608.49/x
  3. Step 3: Cross multiply
    180,272.57x = 248,780.51 × 98,608.49
  4. Step 4: Simplify right side
    180,272.57x = 24,531,870,561.44
  5. Step 5: Solve for x
    x = 24,531,870,561.44/180,272.57
  6. Step 6: Final answer
    x = 136,082.11

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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.