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Finding the Fourth Proportional to 299,042.84, 448,650.84 and 88,685.84

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Solution

The fourth proportional to 299,042.84, 448,650.84 and 88,685.84 is: 133,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,042.84 : 448,650.84 = 88,685.84 : x
  2. Step 2: Convert to fraction form
    299,042.84/448,650.84 = 88,685.84/x
  3. Step 3: Cross multiply
    299,042.84x = 448,650.84 × 88,685.84
  4. Step 4: Simplify right side
    299,042.84x = 39,788,976,612.11
  5. Step 5: Solve for x
    x = 39,788,976,612.11/299,042.84
  6. Step 6: Final answer
    x = 133,054.44

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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.