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Finding the Fourth Proportional to 255,139.96, 352,141.88 and 168,946.92

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Solution

The fourth proportional to 255,139.96, 352,141.88 and 168,946.92 is: 233,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,139.96 : 352,141.88 = 168,946.92 : x
  2. Step 2: Convert to fraction form
    255,139.96/352,141.88 = 168,946.92/x
  3. Step 3: Cross multiply
    255,139.96x = 352,141.88 × 168,946.92
  4. Step 4: Simplify right side
    255,139.96x = 59,493,286,029.01
  5. Step 5: Solve for x
    x = 59,493,286,029.01/255,139.96
  6. Step 6: Final answer
    x = 233,179.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.