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Finding the Fourth Proportional to 245,047.31, 367,295.46 and 124,766.64

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Solution

The fourth proportional to 245,047.31, 367,295.46 and 124,766.64 is: 187,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,047.31 : 367,295.46 = 124,766.64 : x
  2. Step 2: Convert to fraction form
    245,047.31/367,295.46 = 124,766.64/x
  3. Step 3: Cross multiply
    245,047.31x = 367,295.46 × 124,766.64
  4. Step 4: Simplify right side
    245,047.31x = 45,826,217,971.14
  5. Step 5: Solve for x
    x = 45,826,217,971.14/245,047.31
  6. Step 6: Final answer
    x = 187,009.68

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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.