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Finding the Fourth Proportional to 368,057.16, 552,084.89 and 115,356.90

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Solution

The fourth proportional to 368,057.16, 552,084.89 and 115,356.90 is: 173,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,057.16 : 552,084.89 = 115,356.90 : x
  2. Step 2: Convert to fraction form
    368,057.16/552,084.89 = 115,356.90/x
  3. Step 3: Cross multiply
    368,057.16x = 552,084.89 × 115,356.90
  4. Step 4: Simplify right side
    368,057.16x = 63,686,802,425.74
  5. Step 5: Solve for x
    x = 63,686,802,425.74/368,057.16
  6. Step 6: Final answer
    x = 173,035.09

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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.