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Finding the Fourth Proportional to 191,888.82, 287,833.95 and 58,768.56

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Solution

The fourth proportional to 191,888.82, 287,833.95 and 58,768.56 is: 88,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,888.82 : 287,833.95 = 58,768.56 : x
  2. Step 2: Convert to fraction form
    191,888.82/287,833.95 = 58,768.56/x
  3. Step 3: Cross multiply
    191,888.82x = 287,833.95 × 58,768.56
  4. Step 4: Simplify right side
    191,888.82x = 16,915,586,760.61
  5. Step 5: Solve for x
    x = 16,915,586,760.61/191,888.82
  6. Step 6: Final answer
    x = 88,153.06

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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.