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Finding the Fourth Proportional to 194,624.70, 291,937.05 and 134,490.30

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Solution

The fourth proportional to 194,624.70, 291,937.05 and 134,490.30 is: 201,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,624.70 : 291,937.05 = 134,490.30 : x
  2. Step 2: Convert to fraction form
    194,624.70/291,937.05 = 134,490.30/x
  3. Step 3: Cross multiply
    194,624.70x = 291,937.05 × 134,490.30
  4. Step 4: Simplify right side
    194,624.70x = 39,262,701,435.62
  5. Step 5: Solve for x
    x = 39,262,701,435.62/194,624.70
  6. Step 6: Final answer
    x = 201,735.45

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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.