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Finding the Fourth Proportional to 119,795.96, 179,715.46 and 40,891.74

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Solution

The fourth proportional to 119,795.96, 179,715.46 and 40,891.74 is: 61,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,795.96 : 179,715.46 = 40,891.74 : x
  2. Step 2: Convert to fraction form
    119,795.96/179,715.46 = 40,891.74/x
  3. Step 3: Cross multiply
    119,795.96x = 179,715.46 × 40,891.74
  4. Step 4: Simplify right side
    119,795.96x = 7,348,877,164.81
  5. Step 5: Solve for x
    x = 7,348,877,164.81/119,795.96
  6. Step 6: Final answer
    x = 61,344.95

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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.