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Finding the Fourth Proportional to 119,328, 179,009.28 and 36,222.08

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Solution

The fourth proportional to 119,328, 179,009.28 and 36,222.08 is: 54,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,328 : 179,009.28 = 36,222.08 : x
  2. Step 2: Convert to fraction form
    119,328/179,009.28 = 36,222.08/x
  3. Step 3: Cross multiply
    119,328x = 179,009.28 × 36,222.08
  4. Step 4: Simplify right side
    119,328x = 6,484,088,460.90
  5. Step 5: Solve for x
    x = 6,484,088,460.90/119,328
  6. Step 6: Final answer
    x = 54,338.37

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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.