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Finding the Fourth Proportional to 203,168.34, 304,693.66 and 61,007.87

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Solution

The fourth proportional to 203,168.34, 304,693.66 and 61,007.87 is: 91,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,168.34 : 304,693.66 = 61,007.87 : x
  2. Step 2: Convert to fraction form
    203,168.34/304,693.66 = 61,007.87/x
  3. Step 3: Cross multiply
    203,168.34x = 304,693.66 × 61,007.87
  4. Step 4: Simplify right side
    203,168.34x = 18,588,711,199.10
  5. Step 5: Solve for x
    x = 18,588,711,199.10/203,168.34
  6. Step 6: Final answer
    x = 91,494.13

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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.