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Finding the Fourth Proportional to 182,790.78, 252,240.81 and 101,114.16

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Solution

The fourth proportional to 182,790.78, 252,240.81 and 101,114.16 is: 139,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,790.78 : 252,240.81 = 101,114.16 : x
  2. Step 2: Convert to fraction form
    182,790.78/252,240.81 = 101,114.16/x
  3. Step 3: Cross multiply
    182,790.78x = 252,240.81 × 101,114.16
  4. Step 4: Simplify right side
    182,790.78x = 25,505,117,620.87
  5. Step 5: Solve for x
    x = 25,505,117,620.87/182,790.78
  6. Step 6: Final answer
    x = 139,531.75

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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.