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Finding the Fourth Proportional to 114,951.90, 172,425.84 and 51,727.28

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Solution

The fourth proportional to 114,951.90, 172,425.84 and 51,727.28 is: 77,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.90 : 172,425.84 = 51,727.28 : x
  2. Step 2: Convert to fraction form
    114,951.90/172,425.84 = 51,727.28/x
  3. Step 3: Cross multiply
    114,951.90x = 172,425.84 × 51,727.28
  4. Step 4: Simplify right side
    114,951.90x = 8,919,118,584.15
  5. Step 5: Solve for x
    x = 8,919,118,584.15/114,951.90
  6. Step 6: Final answer
    x = 77,590.01

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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.