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Finding the Fourth Proportional to 303,961.88, 455,848.05 and 114,448.61

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Solution

The fourth proportional to 303,961.88, 455,848.05 and 114,448.61 is: 171,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,961.88 : 455,848.05 = 114,448.61 : x
  2. Step 2: Convert to fraction form
    303,961.88/455,848.05 = 114,448.61/x
  3. Step 3: Cross multiply
    303,961.88x = 455,848.05 × 114,448.61
  4. Step 4: Simplify right side
    303,961.88x = 52,171,175,693.71
  5. Step 5: Solve for x
    x = 52,171,175,693.71/303,961.88
  6. Step 6: Final answer
    x = 171,637.23

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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.