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Finding the Fourth Proportional to 191,976.24, 288,006.36 and 58,866.87

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Solution

The fourth proportional to 191,976.24, 288,006.36 and 58,866.87 is: 88,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,976.24 : 288,006.36 = 58,866.87 : x
  2. Step 2: Convert to fraction form
    191,976.24/288,006.36 = 58,866.87/x
  3. Step 3: Cross multiply
    191,976.24x = 288,006.36 × 58,866.87
  4. Step 4: Simplify right side
    191,976.24x = 16,954,032,953.29
  5. Step 5: Solve for x
    x = 16,954,032,953.29/191,976.24
  6. Step 6: Final answer
    x = 88,313.18

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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.