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Finding the Fourth Proportional to 85,069.88, 127,525.86 and 37,659.68

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Solution

The fourth proportional to 85,069.88, 127,525.86 and 37,659.68 is: 56,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,069.88 : 127,525.86 = 37,659.68 : x
  2. Step 2: Convert to fraction form
    85,069.88/127,525.86 = 37,659.68/x
  3. Step 3: Cross multiply
    85,069.88x = 127,525.86 × 37,659.68
  4. Step 4: Simplify right side
    85,069.88x = 4,802,583,079.32
  5. Step 5: Solve for x
    x = 4,802,583,079.32/85,069.88
  6. Step 6: Final answer
    x = 56,454.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.