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Finding the Fourth Proportional to 100,158.72, 150,134.25 and 62,632.67

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Solution

The fourth proportional to 100,158.72, 150,134.25 and 62,632.67 is: 93,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,158.72 : 150,134.25 = 62,632.67 : x
  2. Step 2: Convert to fraction form
    100,158.72/150,134.25 = 62,632.67/x
  3. Step 3: Cross multiply
    100,158.72x = 150,134.25 × 62,632.67
  4. Step 4: Simplify right side
    100,158.72x = 9,403,308,185.28
  5. Step 5: Solve for x
    x = 9,403,308,185.28/100,158.72
  6. Step 6: Final answer
    x = 93,884.07

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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.