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Finding the Fourth Proportional to 199,903.93, 299,768.41 and 59,634.61

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Solution

The fourth proportional to 199,903.93, 299,768.41 and 59,634.61 is: 89,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,903.93 : 299,768.41 = 59,634.61 : x
  2. Step 2: Convert to fraction form
    199,903.93/299,768.41 = 59,634.61/x
  3. Step 3: Cross multiply
    199,903.93x = 299,768.41 × 59,634.61
  4. Step 4: Simplify right side
    199,903.93x = 17,876,572,220.67
  5. Step 5: Solve for x
    x = 17,876,572,220.67/199,903.93
  6. Step 6: Final answer
    x = 89,425.82

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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.