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Finding the Fourth Proportional to 146,191.74, 201,744.57 and 79,123.74

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Solution

The fourth proportional to 146,191.74, 201,744.57 and 79,123.74 is: 109,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,191.74 : 201,744.57 = 79,123.74 : x
  2. Step 2: Convert to fraction form
    146,191.74/201,744.57 = 79,123.74/x
  3. Step 3: Cross multiply
    146,191.74x = 201,744.57 × 79,123.74
  4. Step 4: Simplify right side
    146,191.74x = 15,962,784,443.26
  5. Step 5: Solve for x
    x = 15,962,784,443.26/146,191.74
  6. Step 6: Final answer
    x = 109,190.74

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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.