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Finding the Fourth Proportional to 67,681.92, 101,529.66 and 23,302.80

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Solution

The fourth proportional to 67,681.92, 101,529.66 and 23,302.80 is: 34,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,681.92 : 101,529.66 = 23,302.80 : x
  2. Step 2: Convert to fraction form
    67,681.92/101,529.66 = 23,302.80/x
  3. Step 3: Cross multiply
    67,681.92x = 101,529.66 × 23,302.80
  4. Step 4: Simplify right side
    67,681.92x = 2,365,925,361.05
  5. Step 5: Solve for x
    x = 2,365,925,361.05/67,681.92
  6. Step 6: Final answer
    x = 34,956.53

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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.