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Finding the Fourth Proportional to 117,192.66, 175,736.42 and 69,830.07

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Solution

The fourth proportional to 117,192.66, 175,736.42 and 69,830.07 is: 104,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,192.66 : 175,736.42 = 69,830.07 : x
  2. Step 2: Convert to fraction form
    117,192.66/175,736.42 = 69,830.07/x
  3. Step 3: Cross multiply
    117,192.66x = 175,736.42 × 69,830.07
  4. Step 4: Simplify right side
    117,192.66x = 12,271,686,510.15
  5. Step 5: Solve for x
    x = 12,271,686,510.15/117,192.66
  6. Step 6: Final answer
    x = 104,713.78

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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.