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Finding the Fourth Proportional to 119,836.50, 179,754.78 and 36,730.50

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Solution

The fourth proportional to 119,836.50, 179,754.78 and 36,730.50 is: 55,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,836.50 : 179,754.78 = 36,730.50 : x
  2. Step 2: Convert to fraction form
    119,836.50/179,754.78 = 36,730.50/x
  3. Step 3: Cross multiply
    119,836.50x = 179,754.78 × 36,730.50
  4. Step 4: Simplify right side
    119,836.50x = 6,602,482,946.79
  5. Step 5: Solve for x
    x = 6,602,482,946.79/119,836.50
  6. Step 6: Final answer
    x = 55,095.76

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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.