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Finding the Fourth Proportional to 114,494.88, 157,973.04 and 66,084.96

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Solution

The fourth proportional to 114,494.88, 157,973.04 and 66,084.96 is: 91,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,494.88 : 157,973.04 = 66,084.96 : x
  2. Step 2: Convert to fraction form
    114,494.88/157,973.04 = 66,084.96/x
  3. Step 3: Cross multiply
    114,494.88x = 157,973.04 × 66,084.96
  4. Step 4: Simplify right side
    114,494.88x = 10,439,642,029.48
  5. Step 5: Solve for x
    x = 10,439,642,029.48/114,494.88
  6. Step 6: Final answer
    x = 91,179.99

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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.