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Finding the Fourth Proportional to 299,332, 449,071.98 and 88,969.06

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Solution

The fourth proportional to 299,332, 449,071.98 and 88,969.06 is: 133,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,332 : 449,071.98 = 88,969.06 : x
  2. Step 2: Convert to fraction form
    299,332/449,071.98 = 88,969.06/x
  3. Step 3: Cross multiply
    299,332x = 449,071.98 × 88,969.06
  4. Step 4: Simplify right side
    299,332x = 39,953,511,932.94
  5. Step 5: Solve for x
    x = 39,953,511,932.94/299,332
  6. Step 6: Final answer
    x = 133,475.58

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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.