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Finding the Fourth Proportional to 114,301.87, 157,731.10 and 63,311.16

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Solution

The fourth proportional to 114,301.87, 157,731.10 and 63,311.16 is: 87,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,301.87 : 157,731.10 = 63,311.16 : x
  2. Step 2: Convert to fraction form
    114,301.87/157,731.10 = 63,311.16/x
  3. Step 3: Cross multiply
    114,301.87x = 157,731.10 × 63,311.16
  4. Step 4: Simplify right side
    114,301.87x = 9,986,138,909.08
  5. Step 5: Solve for x
    x = 9,986,138,909.08/114,301.87
  6. Step 6: Final answer
    x = 87,366.37

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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.