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Finding the Fourth Proportional to 255,581.70, 352,762.85 and 158,858.61

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Solution

The fourth proportional to 255,581.70, 352,762.85 and 158,858.61 is: 219,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,581.70 : 352,762.85 = 158,858.61 : x
  2. Step 2: Convert to fraction form
    255,581.70/352,762.85 = 158,858.61/x
  3. Step 3: Cross multiply
    255,581.70x = 352,762.85 × 158,858.61
  4. Step 4: Simplify right side
    255,581.70x = 56,039,416,010.64
  5. Step 5: Solve for x
    x = 56,039,416,010.64/255,581.70
  6. Step 6: Final answer
    x = 219,262.24

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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.