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Finding the Fourth Proportional to 231,178.58, 346,736.42 and 62,709.74

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Solution

The fourth proportional to 231,178.58, 346,736.42 and 62,709.74 is: 94,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,178.58 : 346,736.42 = 62,709.74 : x
  2. Step 2: Convert to fraction form
    231,178.58/346,736.42 = 62,709.74/x
  3. Step 3: Cross multiply
    231,178.58x = 346,736.42 × 62,709.74
  4. Step 4: Simplify right side
    231,178.58x = 21,743,750,746.73
  5. Step 5: Solve for x
    x = 21,743,750,746.73/231,178.58
  6. Step 6: Final answer
    x = 94,056.08

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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.