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Finding the Fourth Proportional to 336,802.97, 505,203.04 and 137,076.01

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Solution

The fourth proportional to 336,802.97, 505,203.04 and 137,076.01 is: 205,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,802.97 : 505,203.04 = 137,076.01 : x
  2. Step 2: Convert to fraction form
    336,802.97/505,203.04 = 137,076.01/x
  3. Step 3: Cross multiply
    336,802.97x = 505,203.04 × 137,076.01
  4. Step 4: Simplify right side
    336,802.97x = 69,251,216,963.07
  5. Step 5: Solve for x
    x = 69,251,216,963.07/336,802.97
  6. Step 6: Final answer
    x = 205,613.44

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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.