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Finding the Fourth Proportional to 119,812.50, 179,718.75 and 36,706.50

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Solution

The fourth proportional to 119,812.50, 179,718.75 and 36,706.50 is: 55,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,812.50 : 179,718.75 = 36,706.50 : x
  2. Step 2: Convert to fraction form
    119,812.50/179,718.75 = 36,706.50/x
  3. Step 3: Cross multiply
    119,812.50x = 179,718.75 × 36,706.50
  4. Step 4: Simplify right side
    119,812.50x = 6,596,846,296.88
  5. Step 5: Solve for x
    x = 6,596,846,296.88/119,812.50
  6. Step 6: Final answer
    x = 55,059.75

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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.