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Finding the Fourth Proportional to 114,497.21, 157,993.02 and 66,098.95

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Solution

The fourth proportional to 114,497.21, 157,993.02 and 66,098.95 is: 91,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,497.21 : 157,993.02 = 66,098.95 : x
  2. Step 2: Convert to fraction form
    114,497.21/157,993.02 = 66,098.95/x
  3. Step 3: Cross multiply
    114,497.21x = 157,993.02 × 66,098.95
  4. Step 4: Simplify right side
    114,497.21x = 10,443,172,334.35
  5. Step 5: Solve for x
    x = 10,443,172,334.35/114,497.21
  6. Step 6: Final answer
    x = 91,208.97

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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.