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Finding the Fourth Proportional to 70,975.56, 106,486.38 and 60,524.28

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Solution

The fourth proportional to 70,975.56, 106,486.38 and 60,524.28 is: 90,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.56 : 106,486.38 = 60,524.28 : x
  2. Step 2: Convert to fraction form
    70,975.56/106,486.38 = 60,524.28/x
  3. Step 3: Cross multiply
    70,975.56x = 106,486.38 × 60,524.28
  4. Step 4: Simplify right side
    70,975.56x = 6,445,011,479.31
  5. Step 5: Solve for x
    x = 6,445,011,479.31/70,975.56
  6. Step 6: Final answer
    x = 90,806.07

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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.