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Finding the Fourth Proportional to 104,800.64, 144,624.89 and 57,053.97

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Solution

The fourth proportional to 104,800.64, 144,624.89 and 57,053.97 is: 78,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,800.64 : 144,624.89 = 57,053.97 : x
  2. Step 2: Convert to fraction form
    104,800.64/144,624.89 = 57,053.97/x
  3. Step 3: Cross multiply
    104,800.64x = 144,624.89 × 57,053.97
  4. Step 4: Simplify right side
    104,800.64x = 8,251,424,277.95
  5. Step 5: Solve for x
    x = 8,251,424,277.95/104,800.64
  6. Step 6: Final answer
    x = 78,734.49

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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.