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Finding the Fourth Proportional to 368,036.91, 552,054.69 and 115,336.77

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Solution

The fourth proportional to 368,036.91, 552,054.69 and 115,336.77 is: 173,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,036.91 : 552,054.69 = 115,336.77 : x
  2. Step 2: Convert to fraction form
    368,036.91/552,054.69 = 115,336.77/x
  3. Step 3: Cross multiply
    368,036.91x = 552,054.69 × 115,336.77
  4. Step 4: Simplify right side
    368,036.91x = 63,672,204,807.95
  5. Step 5: Solve for x
    x = 63,672,204,807.95/368,036.91
  6. Step 6: Final answer
    x = 173,004.94

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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.