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Finding the Fourth Proportional to 247,006, 369,916.96 and 126,746.48

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Solution

The fourth proportional to 247,006, 369,916.96 and 126,746.48 is: 189,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006 : 369,916.96 = 126,746.48 : x
  2. Step 2: Convert to fraction form
    247,006/369,916.96 = 126,746.48/x
  3. Step 3: Cross multiply
    247,006x = 369,916.96 × 126,746.48
  4. Step 4: Simplify right side
    247,006x = 46,885,672,572.30
  5. Step 5: Solve for x
    x = 46,885,672,572.30/247,006
  6. Step 6: Final answer
    x = 189,815.93

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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.