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Finding the Fourth Proportional to 203,066.06, 304,266.18 and 143,795.30

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Solution

The fourth proportional to 203,066.06, 304,266.18 and 143,795.30 is: 215,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,066.06 : 304,266.18 = 143,795.30 : x
  2. Step 2: Convert to fraction form
    203,066.06/304,266.18 = 143,795.30/x
  3. Step 3: Cross multiply
    203,066.06x = 304,266.18 × 143,795.30
  4. Step 4: Simplify right side
    203,066.06x = 43,752,046,632.95
  5. Step 5: Solve for x
    x = 43,752,046,632.95/203,066.06
  6. Step 6: Final answer
    x = 215,457.21

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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.