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Finding the Fourth Proportional to 180,186.48, 248,664.60 and 99,614.16

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Solution

The fourth proportional to 180,186.48, 248,664.60 and 99,614.16 is: 137,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,186.48 : 248,664.60 = 99,614.16 : x
  2. Step 2: Convert to fraction form
    180,186.48/248,664.60 = 99,614.16/x
  3. Step 3: Cross multiply
    180,186.48x = 248,664.60 × 99,614.16
  4. Step 4: Simplify right side
    180,186.48x = 24,770,515,250.74
  5. Step 5: Solve for x
    x = 24,770,515,250.74/180,186.48
  6. Step 6: Final answer
    x = 137,471.55

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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.