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Finding the Fourth Proportional to 178,883.30, 268,334.14 and 45,764.71

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Solution

The fourth proportional to 178,883.30, 268,334.14 and 45,764.71 is: 68,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,883.30 : 268,334.14 = 45,764.71 : x
  2. Step 2: Convert to fraction form
    178,883.30/268,334.14 = 45,764.71/x
  3. Step 3: Cross multiply
    178,883.30x = 268,334.14 × 45,764.71
  4. Step 4: Simplify right side
    178,883.30x = 12,280,232,758.53
  5. Step 5: Solve for x
    x = 12,280,232,758.53/178,883.30
  6. Step 6: Final answer
    x = 68,649.41

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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.