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Finding the Fourth Proportional to 90,599.32, 135,928.14 and 37,994.68

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Solution

The fourth proportional to 90,599.32, 135,928.14 and 37,994.68 is: 57,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.32 : 135,928.14 = 37,994.68 : x
  2. Step 2: Convert to fraction form
    90,599.32/135,928.14 = 37,994.68/x
  3. Step 3: Cross multiply
    90,599.32x = 135,928.14 × 37,994.68
  4. Step 4: Simplify right side
    90,599.32x = 5,164,546,182.30
  5. Step 5: Solve for x
    x = 5,164,546,182.30/90,599.32
  6. Step 6: Final answer
    x = 57,004.25

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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.