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Finding the Fourth Proportional to 79,151.93, 118,700.55 and 22,976.81

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Solution

The fourth proportional to 79,151.93, 118,700.55 and 22,976.81 is: 34,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,151.93 : 118,700.55 = 22,976.81 : x
  2. Step 2: Convert to fraction form
    79,151.93/118,700.55 = 22,976.81/x
  3. Step 3: Cross multiply
    79,151.93x = 118,700.55 × 22,976.81
  4. Step 4: Simplify right side
    79,151.93x = 2,727,359,390.74
  5. Step 5: Solve for x
    x = 2,727,359,390.74/79,151.93
  6. Step 6: Final answer
    x = 34,457.27

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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.