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Finding the Fourth Proportional to 117,729.50, 176,594.03 and 96,868.62

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Solution

The fourth proportional to 117,729.50, 176,594.03 and 96,868.62 is: 145,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.50 : 176,594.03 = 96,868.62 : x
  2. Step 2: Convert to fraction form
    117,729.50/176,594.03 = 96,868.62/x
  3. Step 3: Cross multiply
    117,729.50x = 176,594.03 × 96,868.62
  4. Step 4: Simplify right side
    117,729.50x = 17,106,420,670.00
  5. Step 5: Solve for x
    x = 17,106,420,670.00/117,729.50
  6. Step 6: Final answer
    x = 145,302.76

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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.