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Finding the Fourth Proportional to 114,250.71, 171,411.11 and 51,123.98

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Solution

The fourth proportional to 114,250.71, 171,411.11 and 51,123.98 is: 76,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,250.71 : 171,411.11 = 51,123.98 : x
  2. Step 2: Convert to fraction form
    114,250.71/171,411.11 = 51,123.98/x
  3. Step 3: Cross multiply
    114,250.71x = 171,411.11 × 51,123.98
  4. Step 4: Simplify right side
    114,250.71x = 8,763,217,046.74
  5. Step 5: Solve for x
    x = 8,763,217,046.74/114,250.71
  6. Step 6: Final answer
    x = 76,701.64

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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.