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Finding the Fourth Proportional to 178,870.80, 268,303.44 and 45,749.88

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Solution

The fourth proportional to 178,870.80, 268,303.44 and 45,749.88 is: 68,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,870.80 : 268,303.44 = 45,749.88 : x
  2. Step 2: Convert to fraction form
    178,870.80/268,303.44 = 45,749.88/x
  3. Step 3: Cross multiply
    178,870.80x = 268,303.44 × 45,749.88
  4. Step 4: Simplify right side
    178,870.80x = 12,274,850,183.59
  5. Step 5: Solve for x
    x = 12,274,850,183.59/178,870.80
  6. Step 6: Final answer
    x = 68,624.11

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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.