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Finding the Fourth Proportional to 91,435.44, 137,164.12 and 32,258.88

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Solution

The fourth proportional to 91,435.44, 137,164.12 and 32,258.88 is: 48,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,435.44 : 137,164.12 = 32,258.88 : x
  2. Step 2: Convert to fraction form
    91,435.44/137,164.12 = 32,258.88/x
  3. Step 3: Cross multiply
    91,435.44x = 137,164.12 × 32,258.88
  4. Step 4: Simplify right side
    91,435.44x = 4,424,760,887.39
  5. Step 5: Solve for x
    x = 4,424,760,887.39/91,435.44
  6. Step 6: Final answer
    x = 48,392.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.