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Finding the Fourth Proportional to 117,253.62, 175,735.95 and 66,695.04

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Solution

The fourth proportional to 117,253.62, 175,735.95 and 66,695.04 is: 99,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,253.62 : 175,735.95 = 66,695.04 : x
  2. Step 2: Convert to fraction form
    117,253.62/175,735.95 = 66,695.04/x
  3. Step 3: Cross multiply
    117,253.62x = 175,735.95 × 66,695.04
  4. Step 4: Simplify right side
    117,253.62x = 11,720,716,214.69
  5. Step 5: Solve for x
    x = 11,720,716,214.69/117,253.62
  6. Step 6: Final answer
    x = 99,960.38

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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.