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Finding the Fourth Proportional to 96,375.96, 133,040.53 and 72,508.50

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Solution

The fourth proportional to 96,375.96, 133,040.53 and 72,508.50 is: 100,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,375.96 : 133,040.53 = 72,508.50 : x
  2. Step 2: Convert to fraction form
    96,375.96/133,040.53 = 72,508.50/x
  3. Step 3: Cross multiply
    96,375.96x = 133,040.53 × 72,508.50
  4. Step 4: Simplify right side
    96,375.96x = 9,646,569,269.51
  5. Step 5: Solve for x
    x = 9,646,569,269.51/96,375.96
  6. Step 6: Final answer
    x = 100,093.11

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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.