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Finding the Fourth Proportional to 74,786.58, 112,086.32 and 37,357.11

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Solution

The fourth proportional to 74,786.58, 112,086.32 and 37,357.11 is: 55,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.58 : 112,086.32 = 37,357.11 : x
  2. Step 2: Convert to fraction form
    74,786.58/112,086.32 = 37,357.11/x
  3. Step 3: Cross multiply
    74,786.58x = 112,086.32 × 37,357.11
  4. Step 4: Simplify right side
    74,786.58x = 4,187,220,798.95
  5. Step 5: Solve for x
    x = 4,187,220,798.95/74,786.58
  6. Step 6: Final answer
    x = 55,988.93

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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.