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Finding the Fourth Proportional to 69,273.84, 103,931.28 and 29,296.74

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Solution

The fourth proportional to 69,273.84, 103,931.28 and 29,296.74 is: 43,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,273.84 : 103,931.28 = 29,296.74 : x
  2. Step 2: Convert to fraction form
    69,273.84/103,931.28 = 29,296.74/x
  3. Step 3: Cross multiply
    69,273.84x = 103,931.28 × 29,296.74
  4. Step 4: Simplify right side
    69,273.84x = 3,044,847,688.03
  5. Step 5: Solve for x
    x = 3,044,847,688.03/69,273.84
  6. Step 6: Final answer
    x = 43,953.79

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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.