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Finding the Fourth Proportional to 108,641.44, 149,923.84 and 60,894.72

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Solution

The fourth proportional to 108,641.44, 149,923.84 and 60,894.72 is: 84,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,641.44 : 149,923.84 = 60,894.72 : x
  2. Step 2: Convert to fraction form
    108,641.44/149,923.84 = 60,894.72/x
  3. Step 3: Cross multiply
    108,641.44x = 149,923.84 × 60,894.72
  4. Step 4: Simplify right side
    108,641.44x = 9,129,570,258.12
  5. Step 5: Solve for x
    x = 9,129,570,258.12/108,641.44
  6. Step 6: Final answer
    x = 84,033.96

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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.