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Finding the Fourth Proportional to 79,322.31, 119,014.65 and 34,917.93

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Solution

The fourth proportional to 79,322.31, 119,014.65 and 34,917.93 is: 52,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,322.31 : 119,014.65 = 34,917.93 : x
  2. Step 2: Convert to fraction form
    79,322.31/119,014.65 = 34,917.93/x
  3. Step 3: Cross multiply
    79,322.31x = 119,014.65 × 34,917.93
  4. Step 4: Simplify right side
    79,322.31x = 4,155,745,217.67
  5. Step 5: Solve for x
    x = 4,155,745,217.67/79,322.31
  6. Step 6: Final answer
    x = 52,390.62

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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.