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Finding the Fourth Proportional to 203,166.90, 304,866.99 and 158,668.74

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Solution

The fourth proportional to 203,166.90, 304,866.99 and 158,668.74 is: 238,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,166.90 : 304,866.99 = 158,668.74 : x
  2. Step 2: Convert to fraction form
    203,166.90/304,866.99 = 158,668.74/x
  3. Step 3: Cross multiply
    203,166.90x = 304,866.99 × 158,668.74
  4. Step 4: Simplify right side
    203,166.90x = 48,372,861,170.89
  5. Step 5: Solve for x
    x = 48,372,861,170.89/203,166.90
  6. Step 6: Final answer
    x = 238,094.20

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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.