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Finding the Fourth Proportional to 114,951.84, 158,631.99 and 64,650.84

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Solution

The fourth proportional to 114,951.84, 158,631.99 and 64,650.84 is: 89,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.84 : 158,631.99 = 64,650.84 : x
  2. Step 2: Convert to fraction form
    114,951.84/158,631.99 = 64,650.84/x
  3. Step 3: Cross multiply
    114,951.84x = 158,631.99 × 64,650.84
  4. Step 4: Simplify right side
    114,951.84x = 10,255,691,404.37
  5. Step 5: Solve for x
    x = 10,255,691,404.37/114,951.84
  6. Step 6: Final answer
    x = 89,217.29

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1.5x scale

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.