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Finding the Fourth Proportional to 223,737.36, 335,604.48 and 90,615.60

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Solution

The fourth proportional to 223,737.36, 335,604.48 and 90,615.60 is: 135,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,737.36 : 335,604.48 = 90,615.60 : x
  2. Step 2: Convert to fraction form
    223,737.36/335,604.48 = 90,615.60/x
  3. Step 3: Cross multiply
    223,737.36x = 335,604.48 × 90,615.60
  4. Step 4: Simplify right side
    223,737.36x = 30,411,001,317.89
  5. Step 5: Solve for x
    x = 30,411,001,317.89/223,737.36
  6. Step 6: Final answer
    x = 135,922.77

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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.