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Finding the Fourth Proportional to 114,577.91, 171,800.26 and 76,670.51

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Solution

The fourth proportional to 114,577.91, 171,800.26 and 76,670.51 is: 114,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,577.91 : 171,800.26 = 76,670.51 : x
  2. Step 2: Convert to fraction form
    114,577.91/171,800.26 = 76,670.51/x
  3. Step 3: Cross multiply
    114,577.91x = 171,800.26 × 76,670.51
  4. Step 4: Simplify right side
    114,577.91x = 13,172,012,789.17
  5. Step 5: Solve for x
    x = 13,172,012,789.17/114,577.91
  6. Step 6: Final answer
    x = 114,961.19

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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.