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Finding the Fourth Proportional to 207,732, 311,649.84 and 59,988

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Solution

The fourth proportional to 207,732, 311,649.84 and 59,988 is: 89,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,732 : 311,649.84 = 59,988 : x
  2. Step 2: Convert to fraction form
    207,732/311,649.84 = 59,988/x
  3. Step 3: Cross multiply
    207,732x = 311,649.84 × 59,988
  4. Step 4: Simplify right side
    207,732x = 18,695,250,601.92
  5. Step 5: Solve for x
    x = 18,695,250,601.92/207,732
  6. Step 6: Final answer
    x = 89,996.97

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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.