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Finding the Fourth Proportional to 203,066.79, 304,501.51 and 101,821.35

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Solution

The fourth proportional to 203,066.79, 304,501.51 and 101,821.35 is: 152,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,066.79 : 304,501.51 = 101,821.35 : x
  2. Step 2: Convert to fraction form
    203,066.79/304,501.51 = 101,821.35/x
  3. Step 3: Cross multiply
    203,066.79x = 304,501.51 × 101,821.35
  4. Step 4: Simplify right side
    203,066.79x = 31,004,752,793.62
  5. Step 5: Solve for x
    x = 31,004,752,793.62/203,066.79
  6. Step 6: Final answer
    x = 152,682.54

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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.