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Finding the Fourth Proportional to 124,207.75, 171,406.73 and 67,619.13

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Solution

The fourth proportional to 124,207.75, 171,406.73 and 67,619.13 is: 93,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,207.75 : 171,406.73 = 67,619.13 : x
  2. Step 2: Convert to fraction form
    124,207.75/171,406.73 = 67,619.13/x
  3. Step 3: Cross multiply
    124,207.75x = 171,406.73 × 67,619.13
  4. Step 4: Simplify right side
    124,207.75x = 11,590,373,958.74
  5. Step 5: Solve for x
    x = 11,590,373,958.74/124,207.75
  6. Step 6: Final answer
    x = 93,314.42

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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.