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Finding the Fourth Proportional to 124,056, 171,197.28 and 67,468.59

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Solution

The fourth proportional to 124,056, 171,197.28 and 67,468.59 is: 93,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,056 : 171,197.28 = 67,468.59 : x
  2. Step 2: Convert to fraction form
    124,056/171,197.28 = 67,468.59/x
  3. Step 3: Cross multiply
    124,056x = 171,197.28 × 67,468.59
  4. Step 4: Simplify right side
    124,056x = 11,550,439,093.44
  5. Step 5: Solve for x
    x = 11,550,439,093.44/124,056
  6. Step 6: Final answer
    x = 93,106.65

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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.