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Finding the Fourth Proportional to 121,352.60, 167,467.37 and 67,641.03

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Solution

The fourth proportional to 121,352.60, 167,467.37 and 67,641.03 is: 93,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352.60 : 167,467.37 = 67,641.03 : x
  2. Step 2: Convert to fraction form
    121,352.60/167,467.37 = 67,641.03/x
  3. Step 3: Cross multiply
    121,352.60x = 167,467.37 × 67,641.03
  4. Step 4: Simplify right side
    121,352.60x = 11,327,664,560.85
  5. Step 5: Solve for x
    x = 11,327,664,560.85/121,352.60
  6. Step 6: Final answer
    x = 93,345.05

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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.