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Finding the Fourth Proportional to 255,170.74, 352,114.91 and 147,747.58

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Solution

The fourth proportional to 255,170.74, 352,114.91 and 147,747.58 is: 203,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,170.74 : 352,114.91 = 147,747.58 : x
  2. Step 2: Convert to fraction form
    255,170.74/352,114.91 = 147,747.58/x
  3. Step 3: Cross multiply
    255,170.74x = 352,114.91 × 147,747.58
  4. Step 4: Simplify right side
    255,170.74x = 52,024,125,834.42
  5. Step 5: Solve for x
    x = 52,024,125,834.42/255,170.74
  6. Step 6: Final answer
    x = 203,879.67

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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.