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Finding the Fourth Proportional to 114,186.80, 157,574.54 and 63,201.62

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Solution

The fourth proportional to 114,186.80, 157,574.54 and 63,201.62 is: 87,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,186.80 : 157,574.54 = 63,201.62 : x
  2. Step 2: Convert to fraction form
    114,186.80/157,574.54 = 63,201.62/x
  3. Step 3: Cross multiply
    114,186.80x = 157,574.54 × 63,201.62
  4. Step 4: Simplify right side
    114,186.80x = 9,958,966,198.75
  5. Step 5: Solve for x
    x = 9,958,966,198.75/114,186.80
  6. Step 6: Final answer
    x = 87,216.44

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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.