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Finding the Fourth Proportional to 203,254.48, 304,881.90 and 84,861.28

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Solution

The fourth proportional to 203,254.48, 304,881.90 and 84,861.28 is: 127,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,254.48 : 304,881.90 = 84,861.28 : x
  2. Step 2: Convert to fraction form
    203,254.48/304,881.90 = 84,861.28/x
  3. Step 3: Cross multiply
    203,254.48x = 304,881.90 × 84,861.28
  4. Step 4: Simplify right side
    203,254.48x = 25,872,668,282.83
  5. Step 5: Solve for x
    x = 25,872,668,282.83/203,254.48
  6. Step 6: Final answer
    x = 127,292.00

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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.