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Finding the Fourth Proportional to 124,180.87, 186,299.08 and 45,295.09

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Solution

The fourth proportional to 124,180.87, 186,299.08 and 45,295.09 is: 67,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180.87 : 186,299.08 = 45,295.09 : x
  2. Step 2: Convert to fraction form
    124,180.87/186,299.08 = 45,295.09/x
  3. Step 3: Cross multiply
    124,180.87x = 186,299.08 × 45,295.09
  4. Step 4: Simplify right side
    124,180.87x = 8,438,434,064.46
  5. Step 5: Solve for x
    x = 8,438,434,064.46/124,180.87
  6. Step 6: Final answer
    x = 67,952.77

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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.