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Finding the Fourth Proportional to 255,712.16, 352,753.08 and 195,177.71

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Solution

The fourth proportional to 255,712.16, 352,753.08 and 195,177.71 is: 269,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,712.16 : 352,753.08 = 195,177.71 : x
  2. Step 2: Convert to fraction form
    255,712.16/352,753.08 = 195,177.71/x
  3. Step 3: Cross multiply
    255,712.16x = 352,753.08 × 195,177.71
  4. Step 4: Simplify right side
    255,712.16x = 68,849,538,349.85
  5. Step 5: Solve for x
    x = 68,849,538,349.85/255,712.16
  6. Step 6: Final answer
    x = 269,246.24

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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.