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Finding the Fourth Proportional to 299,000.70, 448,587.45 and 88,643.70

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Solution

The fourth proportional to 299,000.70, 448,587.45 and 88,643.70 is: 132,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,000.70 : 448,587.45 = 88,643.70 : x
  2. Step 2: Convert to fraction form
    299,000.70/448,587.45 = 88,643.70/x
  3. Step 3: Cross multiply
    299,000.70x = 448,587.45 × 88,643.70
  4. Step 4: Simplify right side
    299,000.70x = 39,764,451,341.57
  5. Step 5: Solve for x
    x = 39,764,451,341.57/299,000.70
  6. Step 6: Final answer
    x = 132,991.16

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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.