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Finding the Fourth Proportional to 247,600.61, 371,480.63 and 112,712.94

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Solution

The fourth proportional to 247,600.61, 371,480.63 and 112,712.94 is: 169,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,600.61 : 371,480.63 = 112,712.94 : x
  2. Step 2: Convert to fraction form
    247,600.61/371,480.63 = 112,712.94/x
  3. Step 3: Cross multiply
    247,600.61x = 371,480.63 × 112,712.94
  4. Step 4: Simplify right side
    247,600.61x = 41,870,675,075.59
  5. Step 5: Solve for x
    x = 41,870,675,075.59/247,600.61
  6. Step 6: Final answer
    x = 169,105.70

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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.