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Finding the Fourth Proportional to 75,461.93, 113,044.95 and 43,805.61

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Solution

The fourth proportional to 75,461.93, 113,044.95 and 43,805.61 is: 65,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.93 : 113,044.95 = 43,805.61 : x
  2. Step 2: Convert to fraction form
    75,461.93/113,044.95 = 43,805.61/x
  3. Step 3: Cross multiply
    75,461.93x = 113,044.95 × 43,805.61
  4. Step 4: Simplify right side
    75,461.93x = 4,952,002,992.17
  5. Step 5: Solve for x
    x = 4,952,002,992.17/75,461.93
  6. Step 6: Final answer
    x = 65,622.53

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1.5x scale

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.