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Finding the Fourth Proportional to 203,310.90, 304,966.35 and 55,566.90

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Solution

The fourth proportional to 203,310.90, 304,966.35 and 55,566.90 is: 83,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,310.90 : 304,966.35 = 55,566.90 : x
  2. Step 2: Convert to fraction form
    203,310.90/304,966.35 = 55,566.90/x
  3. Step 3: Cross multiply
    203,310.90x = 304,966.35 × 55,566.90
  4. Step 4: Simplify right side
    203,310.90x = 16,946,034,673.82
  5. Step 5: Solve for x
    x = 16,946,034,673.82/203,310.90
  6. Step 6: Final answer
    x = 83,350.35

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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.