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Finding the Fourth Proportional to 114,751.77, 158,357.13 and 63,764.30

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Solution

The fourth proportional to 114,751.77, 158,357.13 and 63,764.30 is: 87,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,751.77 : 158,357.13 = 63,764.30 : x
  2. Step 2: Convert to fraction form
    114,751.77/158,357.13 = 63,764.30/x
  3. Step 3: Cross multiply
    114,751.77x = 158,357.13 × 63,764.30
  4. Step 4: Simplify right side
    114,751.77x = 10,097,530,752.67
  5. Step 5: Solve for x
    x = 10,097,530,752.67/114,751.77
  6. Step 6: Final answer
    x = 87,994.55

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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.