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Finding the Fourth Proportional to 73,060, 100,822.80 and 39,526

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Solution

The fourth proportional to 73,060, 100,822.80 and 39,526 is: 54,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,060 : 100,822.80 = 39,526 : x
  2. Step 2: Convert to fraction form
    73,060/100,822.80 = 39,526/x
  3. Step 3: Cross multiply
    73,060x = 100,822.80 × 39,526
  4. Step 4: Simplify right side
    73,060x = 3,985,121,992.80
  5. Step 5: Solve for x
    x = 3,985,121,992.80/73,060
  6. Step 6: Final answer
    x = 54,545.88

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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.