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Finding the Fourth Proportional to 114,455.44, 171,612.08 and 47,813.91

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Solution

The fourth proportional to 114,455.44, 171,612.08 and 47,813.91 is: 71,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,455.44 : 171,612.08 = 47,813.91 : x
  2. Step 2: Convert to fraction form
    114,455.44/171,612.08 = 47,813.91/x
  3. Step 3: Cross multiply
    114,455.44x = 171,612.08 × 47,813.91
  4. Step 4: Simplify right side
    114,455.44x = 8,205,444,548.03
  5. Step 5: Solve for x
    x = 8,205,444,548.03/114,455.44
  6. Step 6: Final answer
    x = 71,691.17

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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.