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Finding the Fourth Proportional to 255,173.58, 352,116.65 and 147,750.86

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Solution

The fourth proportional to 255,173.58, 352,116.65 and 147,750.86 is: 203,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,173.58 : 352,116.65 = 147,750.86 : x
  2. Step 2: Convert to fraction form
    255,173.58/352,116.65 = 147,750.86/x
  3. Step 3: Cross multiply
    255,173.58x = 352,116.65 × 147,750.86
  4. Step 4: Simplify right side
    255,173.58x = 52,025,539,107.49
  5. Step 5: Solve for x
    x = 52,025,539,107.49/255,173.58
  6. Step 6: Final answer
    x = 203,882.94

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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.