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Finding the Fourth Proportional to 104,957.84, 144,843.33 and 57,211.19

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Solution

The fourth proportional to 104,957.84, 144,843.33 and 57,211.19 is: 78,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,957.84 : 144,843.33 = 57,211.19 : x
  2. Step 2: Convert to fraction form
    104,957.84/144,843.33 = 57,211.19/x
  3. Step 3: Cross multiply
    104,957.84x = 144,843.33 × 57,211.19
  4. Step 4: Simplify right side
    104,957.84x = 8,286,659,272.86
  5. Step 5: Solve for x
    x = 8,286,659,272.86/104,957.84
  6. Step 6: Final answer
    x = 78,952.27

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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.