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Finding the Fourth Proportional to 193,188.97, 289,752.36 and 52,914.79

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Solution

The fourth proportional to 193,188.97, 289,752.36 and 52,914.79 is: 79,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,188.97 : 289,752.36 = 52,914.79 : x
  2. Step 2: Convert to fraction form
    193,188.97/289,752.36 = 52,914.79/x
  3. Step 3: Cross multiply
    193,188.97x = 289,752.36 × 52,914.79
  4. Step 4: Simplify right side
    193,188.97x = 15,332,185,281.40
  5. Step 5: Solve for x
    x = 15,332,185,281.40/193,188.97
  6. Step 6: Final answer
    x = 79,363.67

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1.5x scale

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.