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Finding the Fourth Proportional to 273,634.77, 377,612.31 and 152,777.91

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Solution

The fourth proportional to 273,634.77, 377,612.31 and 152,777.91 is: 210,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,634.77 : 377,612.31 = 152,777.91 : x
  2. Step 2: Convert to fraction form
    273,634.77/377,612.31 = 152,777.91/x
  3. Step 3: Cross multiply
    273,634.77x = 377,612.31 × 152,777.91
  4. Step 4: Simplify right side
    273,634.77x = 57,690,819,512.07
  5. Step 5: Solve for x
    x = 57,690,819,512.07/273,634.77
  6. Step 6: Final answer
    x = 210,831.47

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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.