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Finding the Fourth Proportional to 114,577.92, 171,844.60 and 57,636.64

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Solution

The fourth proportional to 114,577.92, 171,844.60 and 57,636.64 is: 86,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,577.92 : 171,844.60 = 57,636.64 : x
  2. Step 2: Convert to fraction form
    114,577.92/171,844.60 = 57,636.64/x
  3. Step 3: Cross multiply
    114,577.92x = 171,844.60 × 57,636.64
  4. Step 4: Simplify right side
    114,577.92x = 9,904,545,346.14
  5. Step 5: Solve for x
    x = 9,904,545,346.14/114,577.92
  6. Step 6: Final answer
    x = 86,443.75

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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.