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Finding the Fourth Proportional to 238,876.96, 358,368.72 and 72,677.92

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Solution

The fourth proportional to 238,876.96, 358,368.72 and 72,677.92 is: 109,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,876.96 : 358,368.72 = 72,677.92 : x
  2. Step 2: Convert to fraction form
    238,876.96/358,368.72 = 72,677.92/x
  3. Step 3: Cross multiply
    238,876.96x = 358,368.72 × 72,677.92
  4. Step 4: Simplify right side
    238,876.96x = 26,045,493,162.66
  5. Step 5: Solve for x
    x = 26,045,493,162.66/238,876.96
  6. Step 6: Final answer
    x = 109,033.09

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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.