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Finding the Fourth Proportional to 119,657.50, 179,475.30 and 36,551.50

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Solution

The fourth proportional to 119,657.50, 179,475.30 and 36,551.50 is: 54,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,657.50 : 179,475.30 = 36,551.50 : x
  2. Step 2: Convert to fraction form
    119,657.50/179,475.30 = 36,551.50/x
  3. Step 3: Cross multiply
    119,657.50x = 179,475.30 × 36,551.50
  4. Step 4: Simplify right side
    119,657.50x = 6,560,090,979.26
  5. Step 5: Solve for x
    x = 6,560,090,979.26/119,657.50
  6. Step 6: Final answer
    x = 54,823.90

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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.