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Finding the Fourth Proportional to 104,800.16, 144,624.17 and 57,053.49

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Solution

The fourth proportional to 104,800.16, 144,624.17 and 57,053.49 is: 78,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,800.16 : 144,624.17 = 57,053.49 : x
  2. Step 2: Convert to fraction form
    104,800.16/144,624.17 = 57,053.49/x
  3. Step 3: Cross multiply
    104,800.16x = 144,624.17 × 57,053.49
  4. Step 4: Simplify right side
    104,800.16x = 8,251,313,779.49
  5. Step 5: Solve for x
    x = 8,251,313,779.49/104,800.16
  6. Step 6: Final answer
    x = 78,733.79

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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.