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Finding the Fourth Proportional to 69,700.62, 96,186.48 and 37,869.54

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Solution

The fourth proportional to 69,700.62, 96,186.48 and 37,869.54 is: 52,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.62 : 96,186.48 = 37,869.54 : x
  2. Step 2: Convert to fraction form
    69,700.62/96,186.48 = 37,869.54/x
  3. Step 3: Cross multiply
    69,700.62x = 96,186.48 × 37,869.54
  4. Step 4: Simplify right side
    69,700.62x = 3,642,537,751.82
  5. Step 5: Solve for x
    x = 3,642,537,751.82/69,700.62
  6. Step 6: Final answer
    x = 52,259.76

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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.