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Finding the Fourth Proportional to 114,824.79, 158,451.80 and 64,523.79

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Solution

The fourth proportional to 114,824.79, 158,451.80 and 64,523.79 is: 89,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,824.79 : 158,451.80 = 64,523.79 : x
  2. Step 2: Convert to fraction form
    114,824.79/158,451.80 = 64,523.79/x
  3. Step 3: Cross multiply
    114,824.79x = 158,451.80 × 64,523.79
  4. Step 4: Simplify right side
    114,824.79x = 10,223,910,345.70
  5. Step 5: Solve for x
    x = 10,223,910,345.70/114,824.79
  6. Step 6: Final answer
    x = 89,039.23

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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.