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Finding the Fourth Proportional to 124,446.64, 171,738.12 and 67,858.96

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Solution

The fourth proportional to 124,446.64, 171,738.12 and 67,858.96 is: 93,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,446.64 : 171,738.12 = 67,858.96 : x
  2. Step 2: Convert to fraction form
    124,446.64/171,738.12 = 67,858.96/x
  3. Step 3: Cross multiply
    124,446.64x = 171,738.12 × 67,858.96
  4. Step 4: Simplify right side
    124,446.64x = 11,653,970,215.56
  5. Step 5: Solve for x
    x = 11,653,970,215.56/124,446.64
  6. Step 6: Final answer
    x = 93,646.32

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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.