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Finding the Fourth Proportional to 178,765.79, 268,119.52 and 54,077.63

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Solution

The fourth proportional to 178,765.79, 268,119.52 and 54,077.63 is: 81,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,765.79 : 268,119.52 = 54,077.63 : x
  2. Step 2: Convert to fraction form
    178,765.79/268,119.52 = 54,077.63/x
  3. Step 3: Cross multiply
    178,765.79x = 268,119.52 × 54,077.63
  4. Step 4: Simplify right side
    178,765.79x = 14,499,266,722.55
  5. Step 5: Solve for x
    x = 14,499,266,722.55/178,765.79
  6. Step 6: Final answer
    x = 81,107.62

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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.