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Finding the Fourth Proportional to 144,677.34, 218,001.78 and 118,958.22

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Solution

The fourth proportional to 144,677.34, 218,001.78 and 118,958.22 is: 179,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,677.34 : 218,001.78 = 118,958.22 : x
  2. Step 2: Convert to fraction form
    144,677.34/218,001.78 = 118,958.22/x
  3. Step 3: Cross multiply
    144,677.34x = 218,001.78 × 118,958.22
  4. Step 4: Simplify right side
    144,677.34x = 25,933,103,705.63
  5. Step 5: Solve for x
    x = 25,933,103,705.63/144,677.34
  6. Step 6: Final answer
    x = 179,247.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.