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Finding the Fourth Proportional to 119,342.82, 179,014.22 and 56,823.78

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Solution

The fourth proportional to 119,342.82, 179,014.22 and 56,823.78 is: 85,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,342.82 : 179,014.22 = 56,823.78 : x
  2. Step 2: Convert to fraction form
    119,342.82/179,014.22 = 56,823.78/x
  3. Step 3: Cross multiply
    119,342.82x = 179,014.22 × 56,823.78
  4. Step 4: Simplify right side
    119,342.82x = 10,172,264,654.15
  5. Step 5: Solve for x
    x = 10,172,264,654.15/119,342.82
  6. Step 6: Final answer
    x = 85,235.67

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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.