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Finding the Fourth Proportional to 313,291.60, 469,955.51 and 88,633.22

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Solution

The fourth proportional to 313,291.60, 469,955.51 and 88,633.22 is: 132,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,291.60 : 469,955.51 = 88,633.22 : x
  2. Step 2: Convert to fraction form
    313,291.60/469,955.51 = 88,633.22/x
  3. Step 3: Cross multiply
    313,291.60x = 469,955.51 × 88,633.22
  4. Step 4: Simplify right side
    313,291.60x = 41,653,667,647.47
  5. Step 5: Solve for x
    x = 41,653,667,647.47/313,291.60
  6. Step 6: Final answer
    x = 132,954.95

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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.