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Finding the Fourth Proportional to 162,718.75, 244,082.45 and 51,910.75

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Solution

The fourth proportional to 162,718.75, 244,082.45 and 51,910.75 is: 77,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,718.75 : 244,082.45 = 51,910.75 : x
  2. Step 2: Convert to fraction form
    162,718.75/244,082.45 = 51,910.75/x
  3. Step 3: Cross multiply
    162,718.75x = 244,082.45 × 51,910.75
  4. Step 4: Simplify right side
    162,718.75x = 12,670,503,041.34
  5. Step 5: Solve for x
    x = 12,670,503,041.34/162,718.75
  6. Step 6: Final answer
    x = 77,867.50

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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.