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Finding the Fourth Proportional to 220,237.72, 303,931.74 and 119,635.72

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Solution

The fourth proportional to 220,237.72, 303,931.74 and 119,635.72 is: 165,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,237.72 : 303,931.74 = 119,635.72 : x
  2. Step 2: Convert to fraction form
    220,237.72/303,931.74 = 119,635.72/x
  3. Step 3: Cross multiply
    220,237.72x = 303,931.74 × 119,635.72
  4. Step 4: Simplify right side
    220,237.72x = 36,361,092,545.75
  5. Step 5: Solve for x
    x = 36,361,092,545.75/220,237.72
  6. Step 6: Final answer
    x = 165,099.30

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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.