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Finding the Fourth Proportional to 114,299.72, 157,730.14 and 63,310.44

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Solution

The fourth proportional to 114,299.72, 157,730.14 and 63,310.44 is: 87,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,299.72 : 157,730.14 = 63,310.44 : x
  2. Step 2: Convert to fraction form
    114,299.72/157,730.14 = 63,310.44/x
  3. Step 3: Cross multiply
    114,299.72x = 157,730.14 × 63,310.44
  4. Step 4: Simplify right side
    114,299.72x = 9,985,964,564.66
  5. Step 5: Solve for x
    x = 9,985,964,564.66/114,299.72
  6. Step 6: Final answer
    x = 87,366.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.