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Finding the Fourth Proportional to 114,898.97, 158,558.31 and 63,909.96

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Solution

The fourth proportional to 114,898.97, 158,558.31 and 63,909.96 is: 88,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,898.97 : 158,558.31 = 63,909.96 : x
  2. Step 2: Convert to fraction form
    114,898.97/158,558.31 = 63,909.96/x
  3. Step 3: Cross multiply
    114,898.97x = 158,558.31 × 63,909.96
  4. Step 4: Simplify right side
    114,898.97x = 10,133,455,249.77
  5. Step 5: Solve for x
    x = 10,133,455,249.77/114,898.97
  6. Step 6: Final answer
    x = 88,194.49

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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.