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Finding the Fourth Proportional to 124,297.93, 171,531.44 and 67,712.95

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Solution

The fourth proportional to 124,297.93, 171,531.44 and 67,712.95 is: 93,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,297.93 : 171,531.44 = 67,712.95 : x
  2. Step 2: Convert to fraction form
    124,297.93/171,531.44 = 67,712.95/x
  3. Step 3: Cross multiply
    124,297.93x = 171,531.44 × 67,712.95
  4. Step 4: Simplify right side
    124,297.93x = 11,614,899,820.15
  5. Step 5: Solve for x
    x = 11,614,899,820.15/124,297.93
  6. Step 6: Final answer
    x = 93,444.03

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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.