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Finding the Fourth Proportional to 67,364, 101,060.56 and 25,811.04

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Solution

The fourth proportional to 67,364, 101,060.56 and 25,811.04 is: 38,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,364 : 101,060.56 = 25,811.04 : x
  2. Step 2: Convert to fraction form
    67,364/101,060.56 = 25,811.04/x
  3. Step 3: Cross multiply
    67,364x = 101,060.56 × 25,811.04
  4. Step 4: Simplify right side
    67,364x = 2,608,478,156.58
  5. Step 5: Solve for x
    x = 2,608,478,156.58/67,364
  6. Step 6: Final answer
    x = 38,722.14

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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.