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Finding the Fourth Proportional to 96,555, 133,251.36 and 54,116.26

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Solution

The fourth proportional to 96,555, 133,251.36 and 54,116.26 is: 74,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,555 : 133,251.36 = 54,116.26 : x
  2. Step 2: Convert to fraction form
    96,555/133,251.36 = 54,116.26/x
  3. Step 3: Cross multiply
    96,555x = 133,251.36 × 54,116.26
  4. Step 4: Simplify right side
    96,555x = 7,211,065,243.11
  5. Step 5: Solve for x
    x = 7,211,065,243.11/96,555
  6. Step 6: Final answer
    x = 74,683.50

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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.