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Finding the Fourth Proportional to 114,977.64, 172,662.66 and 62,489.64

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Solution

The fourth proportional to 114,977.64, 172,662.66 and 62,489.64 is: 93,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,977.64 : 172,662.66 = 62,489.64 : x
  2. Step 2: Convert to fraction form
    114,977.64/172,662.66 = 62,489.64/x
  3. Step 3: Cross multiply
    114,977.64x = 172,662.66 × 62,489.64
  4. Step 4: Simplify right side
    114,977.64x = 10,789,627,464.84
  5. Step 5: Solve for x
    x = 10,789,627,464.84/114,977.64
  6. Step 6: Final answer
    x = 93,841.09

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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.