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Finding the Fourth Proportional to 99,707.86, 149,518.14 and 37,334.62

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Solution

The fourth proportional to 99,707.86, 149,518.14 and 37,334.62 is: 55,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,707.86 : 149,518.14 = 37,334.62 : x
  2. Step 2: Convert to fraction form
    99,707.86/149,518.14 = 37,334.62/x
  3. Step 3: Cross multiply
    99,707.86x = 149,518.14 × 37,334.62
  4. Step 4: Simplify right side
    99,707.86x = 5,582,202,940.01
  5. Step 5: Solve for x
    x = 5,582,202,940.01/99,707.86
  6. Step 6: Final answer
    x = 55,985.59

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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.