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Finding the Fourth Proportional to 368,608.86, 552,912.93 and 115,888.14

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Solution

The fourth proportional to 368,608.86, 552,912.93 and 115,888.14 is: 173,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,608.86 : 552,912.93 = 115,888.14 : x
  2. Step 2: Convert to fraction form
    368,608.86/552,912.93 = 115,888.14/x
  3. Step 3: Cross multiply
    368,608.86x = 552,912.93 × 115,888.14
  4. Step 4: Simplify right side
    368,608.86x = 64,076,051,039.65
  5. Step 5: Solve for x
    x = 64,076,051,039.65/368,608.86
  6. Step 6: Final answer
    x = 173,832.10

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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.