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Finding the Fourth Proportional to 183,773.68, 253,635.11 and 112,195.20

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Solution

The fourth proportional to 183,773.68, 253,635.11 and 112,195.20 is: 154,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,773.68 : 253,635.11 = 112,195.20 : x
  2. Step 2: Convert to fraction form
    183,773.68/253,635.11 = 112,195.20/x
  3. Step 3: Cross multiply
    183,773.68x = 253,635.11 × 112,195.20
  4. Step 4: Simplify right side
    183,773.68x = 28,456,641,893.47
  5. Step 5: Solve for x
    x = 28,456,641,893.47/183,773.68
  6. Step 6: Final answer
    x = 154,846.12

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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.