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Finding the Fourth Proportional to 299,247.52, 448,944.45 and 99,567.40

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Solution

The fourth proportional to 299,247.52, 448,944.45 and 99,567.40 is: 149,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,247.52 : 448,944.45 = 99,567.40 : x
  2. Step 2: Convert to fraction form
    299,247.52/448,944.45 = 99,567.40/x
  3. Step 3: Cross multiply
    299,247.52x = 448,944.45 × 99,567.40
  4. Step 4: Simplify right side
    299,247.52x = 44,700,231,630.93
  5. Step 5: Solve for x
    x = 44,700,231,630.93/299,247.52
  6. Step 6: Final answer
    x = 149,375.45

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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.