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Finding the Fourth Proportional to 73,769.43, 101,800.08 and 45,088.95

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Solution

The fourth proportional to 73,769.43, 101,800.08 and 45,088.95 is: 62,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,769.43 : 101,800.08 = 45,088.95 : x
  2. Step 2: Convert to fraction form
    73,769.43/101,800.08 = 45,088.95/x
  3. Step 3: Cross multiply
    73,769.43x = 101,800.08 × 45,088.95
  4. Step 4: Simplify right side
    73,769.43x = 4,590,058,717.12
  5. Step 5: Solve for x
    x = 4,590,058,717.12/73,769.43
  6. Step 6: Final answer
    x = 62,221.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.