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Finding the Fourth Proportional to 368,054.42, 552,081.71 and 115,334.85

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Solution

The fourth proportional to 368,054.42, 552,081.71 and 115,334.85 is: 173,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,054.42 : 552,081.71 = 115,334.85 : x
  2. Step 2: Convert to fraction form
    368,054.42/552,081.71 = 115,334.85/x
  3. Step 3: Cross multiply
    368,054.42x = 552,081.71 × 115,334.85
  4. Step 4: Simplify right side
    368,054.42x = 63,674,261,498.93
  5. Step 5: Solve for x
    x = 63,674,261,498.93/368,054.42
  6. Step 6: Final answer
    x = 173,002.30

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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.