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Finding the Fourth Proportional to 171,750.16, 236,960.40 and 103,792.78

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Solution

The fourth proportional to 171,750.16, 236,960.40 and 103,792.78 is: 143,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,750.16 : 236,960.40 = 103,792.78 : x
  2. Step 2: Convert to fraction form
    171,750.16/236,960.40 = 103,792.78/x
  3. Step 3: Cross multiply
    171,750.16x = 236,960.40 × 103,792.78
  4. Step 4: Simplify right side
    171,750.16x = 24,594,778,665.91
  5. Step 5: Solve for x
    x = 24,594,778,665.91/171,750.16
  6. Step 6: Final answer
    x = 143,200.91

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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.