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Finding the Fourth Proportional to 179,173.74, 268,799.49 and 54,511.50

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Solution

The fourth proportional to 179,173.74, 268,799.49 and 54,511.50 is: 81,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,173.74 : 268,799.49 = 54,511.50 : x
  2. Step 2: Convert to fraction form
    179,173.74/268,799.49 = 54,511.50/x
  3. Step 3: Cross multiply
    179,173.74x = 268,799.49 × 54,511.50
  4. Step 4: Simplify right side
    179,173.74x = 14,652,663,399.14
  5. Step 5: Solve for x
    x = 14,652,663,399.14/179,173.74
  6. Step 6: Final answer
    x = 81,779.08

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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.