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Finding the Fourth Proportional to 79,357.50, 119,069.63 and 49,396.79

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Solution

The fourth proportional to 79,357.50, 119,069.63 and 49,396.79 is: 74,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.50 : 119,069.63 = 49,396.79 : x
  2. Step 2: Convert to fraction form
    79,357.50/119,069.63 = 49,396.79/x
  3. Step 3: Cross multiply
    79,357.50x = 119,069.63 × 49,396.79
  4. Step 4: Simplify right side
    79,357.50x = 5,881,657,508.49
  5. Step 5: Solve for x
    x = 5,881,657,508.49/79,357.50
  6. Step 6: Final answer
    x = 74,115.96

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1.5x scale

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.