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Finding the Fourth Proportional to 114,992.56, 172,488.84 and 52,477.36

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Solution

The fourth proportional to 114,992.56, 172,488.84 and 52,477.36 is: 78,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,992.56 : 172,488.84 = 52,477.36 : x
  2. Step 2: Convert to fraction form
    114,992.56/172,488.84 = 52,477.36/x
  3. Step 3: Cross multiply
    114,992.56x = 172,488.84 × 52,477.36
  4. Step 4: Simplify right side
    114,992.56x = 9,051,758,952.66
  5. Step 5: Solve for x
    x = 9,051,758,952.66/114,992.56
  6. Step 6: Final answer
    x = 78,716.04

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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.