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Finding the Fourth Proportional to 114,575.97, 158,079.40 and 66,795.50

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Solution

The fourth proportional to 114,575.97, 158,079.40 and 66,795.50 is: 92,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,575.97 : 158,079.40 = 66,795.50 : x
  2. Step 2: Convert to fraction form
    114,575.97/158,079.40 = 66,795.50/x
  3. Step 3: Cross multiply
    114,575.97x = 158,079.40 × 66,795.50
  4. Step 4: Simplify right side
    114,575.97x = 10,558,992,562.70
  5. Step 5: Solve for x
    x = 10,558,992,562.70/114,575.97
  6. Step 6: Final answer
    x = 92,157.13

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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.