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Finding the Fourth Proportional to 273,792.61, 377,796.45 and 152,918.47

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Solution

The fourth proportional to 273,792.61, 377,796.45 and 152,918.47 is: 211,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,792.61 : 377,796.45 = 152,918.47 : x
  2. Step 2: Convert to fraction form
    273,792.61/377,796.45 = 152,918.47/x
  3. Step 3: Cross multiply
    273,792.61x = 377,796.45 × 152,918.47
  4. Step 4: Simplify right side
    273,792.61x = 57,772,055,105.43
  5. Step 5: Solve for x
    x = 57,772,055,105.43/273,792.61
  6. Step 6: Final answer
    x = 211,006.63

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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.