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Finding the Fourth Proportional to 119,251.69, 164,566.76 and 68,264.16

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Solution

The fourth proportional to 119,251.69, 164,566.76 and 68,264.16 is: 94,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,251.69 : 164,566.76 = 68,264.16 : x
  2. Step 2: Convert to fraction form
    119,251.69/164,566.76 = 68,264.16/x
  3. Step 3: Cross multiply
    119,251.69x = 164,566.76 × 68,264.16
  4. Step 4: Simplify right side
    119,251.69x = 11,234,011,805.98
  5. Step 5: Solve for x
    x = 11,234,011,805.98/119,251.69
  6. Step 6: Final answer
    x = 94,204.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.