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Finding the Fourth Proportional to 117,840.63, 176,788.62 and 38,954.85

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Solution

The fourth proportional to 117,840.63, 176,788.62 and 38,954.85 is: 58,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,840.63 : 176,788.62 = 38,954.85 : x
  2. Step 2: Convert to fraction form
    117,840.63/176,788.62 = 38,954.85/x
  3. Step 3: Cross multiply
    117,840.63x = 176,788.62 × 38,954.85
  4. Step 4: Simplify right side
    117,840.63x = 6,886,774,173.81
  5. Step 5: Solve for x
    x = 6,886,774,173.81/117,840.63
  6. Step 6: Final answer
    x = 58,441.42

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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.