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Finding the Fourth Proportional to 315,079.33, 434,792.19 and 179,094.37

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Solution

The fourth proportional to 315,079.33, 434,792.19 and 179,094.37 is: 247,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,079.33 : 434,792.19 = 179,094.37 : x
  2. Step 2: Convert to fraction form
    315,079.33/434,792.19 = 179,094.37/x
  3. Step 3: Cross multiply
    315,079.33x = 434,792.19 × 179,094.37
  4. Step 4: Simplify right side
    315,079.33x = 77,868,833,348.97
  5. Step 5: Solve for x
    x = 77,868,833,348.97/315,079.33
  6. Step 6: Final answer
    x = 247,140.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.