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Finding the Fourth Proportional to 299,068.56, 448,627.12 and 88,705.88

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Solution

The fourth proportional to 299,068.56, 448,627.12 and 88,705.88 is: 133,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,068.56 : 448,627.12 = 88,705.88 : x
  2. Step 2: Convert to fraction form
    299,068.56/448,627.12 = 88,705.88/x
  3. Step 3: Cross multiply
    299,068.56x = 448,627.12 × 88,705.88
  4. Step 4: Simplify right side
    299,068.56x = 39,795,863,471.47
  5. Step 5: Solve for x
    x = 39,795,863,471.47/299,068.56
  6. Step 6: Final answer
    x = 133,066.02

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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.