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Finding the Fourth Proportional to 90,304.56, 135,469.54 and 37,702.08

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Solution

The fourth proportional to 90,304.56, 135,469.54 and 37,702.08 is: 56,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.56 : 135,469.54 = 37,702.08 : x
  2. Step 2: Convert to fraction form
    90,304.56/135,469.54 = 37,702.08/x
  3. Step 3: Cross multiply
    90,304.56x = 135,469.54 × 37,702.08
  4. Step 4: Simplify right side
    90,304.56x = 5,107,483,434.64
  5. Step 5: Solve for x
    x = 5,107,483,434.64/90,304.56
  6. Step 6: Final answer
    x = 56,558.42

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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.