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Finding the Fourth Proportional to 368,570.33, 552,855.03 and 115,872.88

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Solution

The fourth proportional to 368,570.33, 552,855.03 and 115,872.88 is: 173,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,570.33 : 552,855.03 = 115,872.88 : x
  2. Step 2: Convert to fraction form
    368,570.33/552,855.03 = 115,872.88/x
  3. Step 3: Cross multiply
    368,570.33x = 552,855.03 × 115,872.88
  4. Step 4: Simplify right side
    368,570.33x = 64,060,901,784.31
  5. Step 5: Solve for x
    x = 64,060,901,784.31/368,570.33
  6. Step 6: Final answer
    x = 173,809.17

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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.