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Finding the Fourth Proportional to 194,660.70, 291,343.05 and 141,200.70

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Solution

The fourth proportional to 194,660.70, 291,343.05 and 141,200.70 is: 211,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,660.70 : 291,343.05 = 141,200.70 : x
  2. Step 2: Convert to fraction form
    194,660.70/291,343.05 = 141,200.70/x
  3. Step 3: Cross multiply
    194,660.70x = 291,343.05 × 141,200.70
  4. Step 4: Simplify right side
    194,660.70x = 41,137,842,600.14
  5. Step 5: Solve for x
    x = 41,137,842,600.14/194,660.70
  6. Step 6: Final answer
    x = 211,331.01

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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.