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Finding the Fourth Proportional to 182,145.60, 273,218.40 and 112,161.60

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Solution

The fourth proportional to 182,145.60, 273,218.40 and 112,161.60 is: 168,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,145.60 : 273,218.40 = 112,161.60 : x
  2. Step 2: Convert to fraction form
    182,145.60/273,218.40 = 112,161.60/x
  3. Step 3: Cross multiply
    182,145.60x = 273,218.40 × 112,161.60
  4. Step 4: Simplify right side
    182,145.60x = 30,644,612,893.44
  5. Step 5: Solve for x
    x = 30,644,612,893.44/182,145.60
  6. Step 6: Final answer
    x = 168,242.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.