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Finding the Fourth Proportional to 368,570.83, 552,855.78 and 115,873.38

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Solution

The fourth proportional to 368,570.83, 552,855.78 and 115,873.38 is: 173,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,570.83 : 552,855.78 = 115,873.38 : x
  2. Step 2: Convert to fraction form
    368,570.83/552,855.78 = 115,873.38/x
  3. Step 3: Cross multiply
    368,570.83x = 552,855.78 × 115,873.38
  4. Step 4: Simplify right side
    368,570.83x = 64,061,267,881.14
  5. Step 5: Solve for x
    x = 64,061,267,881.14/368,570.83
  6. Step 6: Final answer
    x = 173,809.92

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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.