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Finding the Fourth Proportional to 98,344.42, 135,715.10 and 53,632.42

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Solution

The fourth proportional to 98,344.42, 135,715.10 and 53,632.42 is: 74,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344.42 : 135,715.10 = 53,632.42 : x
  2. Step 2: Convert to fraction form
    98,344.42/135,715.10 = 53,632.42/x
  3. Step 3: Cross multiply
    98,344.42x = 135,715.10 × 53,632.42
  4. Step 4: Simplify right side
    98,344.42x = 7,278,729,243.54
  5. Step 5: Solve for x
    x = 7,278,729,243.54/98,344.42
  6. Step 6: Final answer
    x = 74,012.63

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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.