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Finding the Fourth Proportional to 114,593.64, 158,138.66 and 63,606.98

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Solution

The fourth proportional to 114,593.64, 158,138.66 and 63,606.98 is: 87,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,593.64 : 158,138.66 = 63,606.98 : x
  2. Step 2: Convert to fraction form
    114,593.64/158,138.66 = 63,606.98/x
  3. Step 3: Cross multiply
    114,593.64x = 158,138.66 × 63,606.98
  4. Step 4: Simplify right side
    114,593.64x = 10,058,721,475.12
  5. Step 5: Solve for x
    x = 10,058,721,475.12/114,593.64
  6. Step 6: Final answer
    x = 87,777.31

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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.