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Finding the Fourth Proportional to 114,765.30, 158,373.95 and 63,777.65

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Solution

The fourth proportional to 114,765.30, 158,373.95 and 63,777.65 is: 88,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,765.30 : 158,373.95 = 63,777.65 : x
  2. Step 2: Convert to fraction form
    114,765.30/158,373.95 = 63,777.65/x
  3. Step 3: Cross multiply
    114,765.30x = 158,373.95 × 63,777.65
  4. Step 4: Simplify right side
    114,765.30x = 10,100,717,241.46
  5. Step 5: Solve for x
    x = 10,100,717,241.46/114,765.30
  6. Step 6: Final answer
    x = 88,011.94

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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.