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Finding the Fourth Proportional to 114,610.60, 158,154.70 and 63,619.32

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Solution

The fourth proportional to 114,610.60, 158,154.70 and 63,619.32 is: 87,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,610.60 : 158,154.70 = 63,619.32 : x
  2. Step 2: Convert to fraction form
    114,610.60/158,154.70 = 63,619.32/x
  3. Step 3: Cross multiply
    114,610.60x = 158,154.70 × 63,619.32
  4. Step 4: Simplify right side
    114,610.60x = 10,061,694,468.80
  5. Step 5: Solve for x
    x = 10,061,694,468.80/114,610.60
  6. Step 6: Final answer
    x = 87,790.26

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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.