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Finding the Fourth Proportional to 299,347.32, 449,020.98 and 88,984.92

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Solution

The fourth proportional to 299,347.32, 449,020.98 and 88,984.92 is: 133,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,347.32 : 449,020.98 = 88,984.92 : x
  2. Step 2: Convert to fraction form
    299,347.32/449,020.98 = 88,984.92/x
  3. Step 3: Cross multiply
    299,347.32x = 449,020.98 × 88,984.92
  4. Step 4: Simplify right side
    299,347.32x = 39,956,095,983.62
  5. Step 5: Solve for x
    x = 39,956,095,983.62/299,347.32
  6. Step 6: Final answer
    x = 133,477.38

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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.