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Finding the Fourth Proportional to 114,854.68, 158,502.89 and 69,540.95

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Solution

The fourth proportional to 114,854.68, 158,502.89 and 69,540.95 is: 95,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,854.68 : 158,502.89 = 69,540.95 : x
  2. Step 2: Convert to fraction form
    114,854.68/158,502.89 = 69,540.95/x
  3. Step 3: Cross multiply
    114,854.68x = 158,502.89 × 69,540.95
  4. Step 4: Simplify right side
    114,854.68x = 11,022,441,200.64
  5. Step 5: Solve for x
    x = 11,022,441,200.64/114,854.68
  6. Step 6: Final answer
    x = 95,968.59

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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.