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Finding the Fourth Proportional to 238,752, 329,524.55 and 136,845.77

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Solution

The fourth proportional to 238,752, 329,524.55 and 136,845.77 is: 188,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,752 : 329,524.55 = 136,845.77 : x
  2. Step 2: Convert to fraction form
    238,752/329,524.55 = 136,845.77/x
  3. Step 3: Cross multiply
    238,752x = 329,524.55 × 136,845.77
  4. Step 4: Simplify right side
    238,752x = 45,094,039,729.73
  5. Step 5: Solve for x
    x = 45,094,039,729.73/238,752
  6. Step 6: Final answer
    x = 188,873.98

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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.