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Finding the Fourth Proportional to 104,392.14, 144,062.19 and 56,645.88

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Solution

The fourth proportional to 104,392.14, 144,062.19 and 56,645.88 is: 78,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392.14 : 144,062.19 = 56,645.88 : x
  2. Step 2: Convert to fraction form
    104,392.14/144,062.19 = 56,645.88/x
  3. Step 3: Cross multiply
    104,392.14x = 144,062.19 × 56,645.88
  4. Step 4: Simplify right side
    104,392.14x = 8,160,529,527.28
  5. Step 5: Solve for x
    x = 8,160,529,527.28/104,392.14
  6. Step 6: Final answer
    x = 78,171.88

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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.