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Finding the Fourth Proportional to 119,805.58, 179,555.74 and 63,672.58

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Solution

The fourth proportional to 119,805.58, 179,555.74 and 63,672.58 is: 95,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,805.58 : 179,555.74 = 63,672.58 : x
  2. Step 2: Convert to fraction form
    119,805.58/179,555.74 = 63,672.58/x
  3. Step 3: Cross multiply
    119,805.58x = 179,555.74 × 63,672.58
  4. Step 4: Simplify right side
    119,805.58x = 11,432,777,284.87
  5. Step 5: Solve for x
    x = 11,432,777,284.87/119,805.58
  6. Step 6: Final answer
    x = 95,427.75

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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.