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Finding the Fourth Proportional to 218,295.96, 301,247.98 and 122,802.73

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Solution

The fourth proportional to 218,295.96, 301,247.98 and 122,802.73 is: 169,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,295.96 : 301,247.98 = 122,802.73 : x
  2. Step 2: Convert to fraction form
    218,295.96/301,247.98 = 122,802.73/x
  3. Step 3: Cross multiply
    218,295.96x = 301,247.98 × 122,802.73
  4. Step 4: Simplify right side
    218,295.96x = 36,994,073,290.86
  5. Step 5: Solve for x
    x = 36,994,073,290.86/218,295.96
  6. Step 6: Final answer
    x = 169,467.52

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1.5x scale

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.