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Finding the Fourth Proportional to 66,769.48, 100,151.16 and 22,392.82

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Solution

The fourth proportional to 66,769.48, 100,151.16 and 22,392.82 is: 33,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,769.48 : 100,151.16 = 22,392.82 : x
  2. Step 2: Convert to fraction form
    66,769.48/100,151.16 = 22,392.82/x
  3. Step 3: Cross multiply
    66,769.48x = 100,151.16 × 22,392.82
  4. Step 4: Simplify right side
    66,769.48x = 2,242,666,898.67
  5. Step 5: Solve for x
    x = 2,242,666,898.67/66,769.48
  6. Step 6: Final answer
    x = 33,588.20

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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.