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Finding the Fourth Proportional to 117,164.88, 175,774.05 and 38,277.36

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Solution

The fourth proportional to 117,164.88, 175,774.05 and 38,277.36 is: 57,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,164.88 : 175,774.05 = 38,277.36 : x
  2. Step 2: Convert to fraction form
    117,164.88/175,774.05 = 38,277.36/x
  3. Step 3: Cross multiply
    117,164.88x = 175,774.05 × 38,277.36
  4. Step 4: Simplify right side
    117,164.88x = 6,728,166,590.51
  5. Step 5: Solve for x
    x = 6,728,166,590.51/117,164.88
  6. Step 6: Final answer
    x = 57,424.77

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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.