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Finding the Fourth Proportional to 104,892.48, 144,750.96 and 57,147.84

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Solution

The fourth proportional to 104,892.48, 144,750.96 and 57,147.84 is: 78,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,892.48 : 144,750.96 = 57,147.84 : x
  2. Step 2: Convert to fraction form
    104,892.48/144,750.96 = 57,147.84/x
  3. Step 3: Cross multiply
    104,892.48x = 144,750.96 × 57,147.84
  4. Step 4: Simplify right side
    104,892.48x = 8,272,204,701.93
  5. Step 5: Solve for x
    x = 8,272,204,701.93/104,892.48
  6. Step 6: Final answer
    x = 78,863.66

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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.