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Finding the Fourth Proportional to 461,295.15, 691,863.86 and 124,256.98

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Solution

The fourth proportional to 461,295.15, 691,863.86 and 124,256.98 is: 186,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,295.15 : 691,863.86 = 124,256.98 : x
  2. Step 2: Convert to fraction form
    461,295.15/691,863.86 = 124,256.98/x
  3. Step 3: Cross multiply
    461,295.15x = 691,863.86 × 124,256.98
  4. Step 4: Simplify right side
    461,295.15x = 85,968,912,395.73
  5. Step 5: Solve for x
    x = 85,968,912,395.73/461,295.15
  6. Step 6: Final answer
    x = 186,364.22

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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.