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Finding the Fourth Proportional to 117,544, 176,315.64 and 42,664.04

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Solution

The fourth proportional to 117,544, 176,315.64 and 42,664.04 is: 63,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,544 : 176,315.64 = 42,664.04 : x
  2. Step 2: Convert to fraction form
    117,544/176,315.64 = 42,664.04/x
  3. Step 3: Cross multiply
    117,544x = 176,315.64 × 42,664.04
  4. Step 4: Simplify right side
    117,544x = 7,522,337,517.59
  5. Step 5: Solve for x
    x = 7,522,337,517.59/117,544
  6. Step 6: Final answer
    x = 63,995.93

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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.