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Finding the Fourth Proportional to 336,782.14, 504,735.80 and 136,869.88

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Solution

The fourth proportional to 336,782.14, 504,735.80 and 136,869.88 is: 205,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,782.14 : 504,735.80 = 136,869.88 : x
  2. Step 2: Convert to fraction form
    336,782.14/504,735.80 = 136,869.88/x
  3. Step 3: Cross multiply
    336,782.14x = 504,735.80 × 136,869.88
  4. Step 4: Simplify right side
    336,782.14x = 69,083,127,693.35
  5. Step 5: Solve for x
    x = 69,083,127,693.35/336,782.14
  6. Step 6: Final answer
    x = 205,127.06

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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.