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Finding the Fourth Proportional to 255,326.58, 352,393.34 and 147,961.89

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Solution

The fourth proportional to 255,326.58, 352,393.34 and 147,961.89 is: 204,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,326.58 : 352,393.34 = 147,961.89 : x
  2. Step 2: Convert to fraction form
    255,326.58/352,393.34 = 147,961.89/x
  3. Step 3: Cross multiply
    255,326.58x = 352,393.34 × 147,961.89
  4. Step 4: Simplify right side
    255,326.58x = 52,140,783,870.00
  5. Step 5: Solve for x
    x = 52,140,783,870.00/255,326.58
  6. Step 6: Final answer
    x = 204,212.13

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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.