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Finding the Fourth Proportional to 135,216, 202,780.87 and 46,448.10

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Solution

The fourth proportional to 135,216, 202,780.87 and 46,448.10 is: 69,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,216 : 202,780.87 = 46,448.10 : x
  2. Step 2: Convert to fraction form
    135,216/202,780.87 = 46,448.10/x
  3. Step 3: Cross multiply
    135,216x = 202,780.87 × 46,448.10
  4. Step 4: Simplify right side
    135,216x = 9,418,786,011.73
  5. Step 5: Solve for x
    x = 9,418,786,011.73/135,216
  6. Step 6: Final answer
    x = 69,657.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.