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Finding the Fourth Proportional to 368,089.97, 552,141.87 and 115,364.87

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Solution

The fourth proportional to 368,089.97, 552,141.87 and 115,364.87 is: 173,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,089.97 : 552,141.87 = 115,364.87 : x
  2. Step 2: Convert to fraction form
    368,089.97/552,141.87 = 115,364.87/x
  3. Step 3: Cross multiply
    368,089.97x = 552,141.87 × 115,364.87
  4. Step 4: Simplify right side
    368,089.97x = 63,697,772,293.40
  5. Step 5: Solve for x
    x = 63,697,772,293.40/368,089.97
  6. Step 6: Final answer
    x = 173,049.47

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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.