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Finding the Fourth Proportional to 234,886.94, 352,286.13 and 66,405.93

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Solution

The fourth proportional to 234,886.94, 352,286.13 and 66,405.93 is: 99,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,886.94 : 352,286.13 = 66,405.93 : x
  2. Step 2: Convert to fraction form
    234,886.94/352,286.13 = 66,405.93/x
  3. Step 3: Cross multiply
    234,886.94x = 352,286.13 × 66,405.93
  4. Step 4: Simplify right side
    234,886.94x = 23,393,888,088.75
  5. Step 5: Solve for x
    x = 23,393,888,088.75/234,886.94
  6. Step 6: Final answer
    x = 99,596.38

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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.