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Finding the Fourth Proportional to 124,420.62, 171,701.46 and 67,832.40

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Solution

The fourth proportional to 124,420.62, 171,701.46 and 67,832.40 is: 93,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420.62 : 171,701.46 = 67,832.40 : x
  2. Step 2: Convert to fraction form
    124,420.62/171,701.46 = 67,832.40/x
  3. Step 3: Cross multiply
    124,420.62x = 171,701.46 × 67,832.40
  4. Step 4: Simplify right side
    124,420.62x = 11,646,922,115.30
  5. Step 5: Solve for x
    x = 11,646,922,115.30/124,420.62
  6. Step 6: Final answer
    x = 93,609.26

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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.