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Finding the Fourth Proportional to 117,999.53, 176,933.68 and 39,070.70

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Solution

The fourth proportional to 117,999.53, 176,933.68 and 39,070.70 is: 58,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.53 : 176,933.68 = 39,070.70 : x
  2. Step 2: Convert to fraction form
    117,999.53/176,933.68 = 39,070.70/x
  3. Step 3: Cross multiply
    117,999.53x = 176,933.68 × 39,070.70
  4. Step 4: Simplify right side
    117,999.53x = 6,912,922,412.33
  5. Step 5: Solve for x
    x = 6,912,922,412.33/117,999.53
  6. Step 6: Final answer
    x = 58,584.32

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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.