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Finding the Fourth Proportional to 114,334.70, 157,781.87 and 64,033.70

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Solution

The fourth proportional to 114,334.70, 157,781.87 and 64,033.70 is: 88,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,334.70 : 157,781.87 = 64,033.70 : x
  2. Step 2: Convert to fraction form
    114,334.70/157,781.87 = 64,033.70/x
  3. Step 3: Cross multiply
    114,334.70x = 157,781.87 × 64,033.70
  4. Step 4: Simplify right side
    114,334.70x = 10,103,355,819.94
  5. Step 5: Solve for x
    x = 10,103,355,819.94/114,334.70
  6. Step 6: Final answer
    x = 88,366.49

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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.