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Finding the Fourth Proportional to 124,460.69, 171,754.22 and 67,870.85

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Solution

The fourth proportional to 124,460.69, 171,754.22 and 67,870.85 is: 93,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,460.69 : 171,754.22 = 67,870.85 : x
  2. Step 2: Convert to fraction form
    124,460.69/171,754.22 = 67,870.85/x
  3. Step 3: Cross multiply
    124,460.69x = 171,754.22 × 67,870.85
  4. Step 4: Simplify right side
    124,460.69x = 11,657,104,213.39
  5. Step 5: Solve for x
    x = 11,657,104,213.39/124,460.69
  6. Step 6: Final answer
    x = 93,660.94

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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.