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Finding the Fourth Proportional to 242,220.80, 363,460.80 and 101,993.60

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Solution

The fourth proportional to 242,220.80, 363,460.80 and 101,993.60 is: 153,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,220.80 : 363,460.80 = 101,993.60 : x
  2. Step 2: Convert to fraction form
    242,220.80/363,460.80 = 101,993.60/x
  3. Step 3: Cross multiply
    242,220.80x = 363,460.80 × 101,993.60
  4. Step 4: Simplify right side
    242,220.80x = 37,070,675,450.88
  5. Step 5: Solve for x
    x = 37,070,675,450.88/242,220.80
  6. Step 6: Final answer
    x = 153,044.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.