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Finding the Fourth Proportional to 146,606.70, 219,910.05 and 67,874.70

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Solution

The fourth proportional to 146,606.70, 219,910.05 and 67,874.70 is: 101,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,606.70 : 219,910.05 = 67,874.70 : x
  2. Step 2: Convert to fraction form
    146,606.70/219,910.05 = 67,874.70/x
  3. Step 3: Cross multiply
    146,606.70x = 219,910.05 × 67,874.70
  4. Step 4: Simplify right side
    146,606.70x = 14,926,328,670.74
  5. Step 5: Solve for x
    x = 14,926,328,670.74/146,606.70
  6. Step 6: Final answer
    x = 101,812.05

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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.