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Finding the Fourth Proportional to 299,027.52, 448,617.06 and 99,348.95

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Solution

The fourth proportional to 299,027.52, 448,617.06 and 99,348.95 is: 149,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,027.52 : 448,617.06 = 99,348.95 : x
  2. Step 2: Convert to fraction form
    299,027.52/448,617.06 = 99,348.95/x
  3. Step 3: Cross multiply
    299,027.52x = 448,617.06 × 99,348.95
  4. Step 4: Simplify right side
    299,027.52x = 44,569,634,984.63
  5. Step 5: Solve for x
    x = 44,569,634,984.63/299,027.52
  6. Step 6: Final answer
    x = 149,048.61

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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.