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Finding the Fourth Proportional to 119,812, 179,595.12 and 49,732

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Solution

The fourth proportional to 119,812, 179,595.12 and 49,732 is: 74,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,812 : 179,595.12 = 49,732 : x
  2. Step 2: Convert to fraction form
    119,812/179,595.12 = 49,732/x
  3. Step 3: Cross multiply
    119,812x = 179,595.12 × 49,732
  4. Step 4: Simplify right side
    119,812x = 8,931,624,507.84
  5. Step 5: Solve for x
    x = 8,931,624,507.84/119,812
  6. Step 6: Final answer
    x = 74,546.99

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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.