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Finding the Fourth Proportional to 114,752.77, 158,358.51 and 63,765.30

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Solution

The fourth proportional to 114,752.77, 158,358.51 and 63,765.30 is: 87,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,752.77 : 158,358.51 = 63,765.30 : x
  2. Step 2: Convert to fraction form
    114,752.77/158,358.51 = 63,765.30/x
  3. Step 3: Cross multiply
    114,752.77x = 158,358.51 × 63,765.30
  4. Step 4: Simplify right side
    114,752.77x = 10,097,777,897.70
  5. Step 5: Solve for x
    x = 10,097,777,897.70/114,752.77
  6. Step 6: Final answer
    x = 87,995.94

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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.