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Finding the Fourth Proportional to 124,297.98, 171,531.18 and 67,709.34

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Solution

The fourth proportional to 124,297.98, 171,531.18 and 67,709.34 is: 93,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,297.98 : 171,531.18 = 67,709.34 : x
  2. Step 2: Convert to fraction form
    124,297.98/171,531.18 = 67,709.34/x
  3. Step 3: Cross multiply
    124,297.98x = 171,531.18 × 67,709.34
  4. Step 4: Simplify right side
    124,297.98x = 11,614,262,987.22
  5. Step 5: Solve for x
    x = 11,614,262,987.22/124,297.98
  6. Step 6: Final answer
    x = 93,438.87

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1.5x scale

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.