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Finding the Fourth Proportional to 368,102.07, 552,152.69 and 118,784.07

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Solution

The fourth proportional to 368,102.07, 552,152.69 and 118,784.07 is: 178,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,102.07 : 552,152.69 = 118,784.07 : x
  2. Step 2: Convert to fraction form
    368,102.07/552,152.69 = 118,784.07/x
  3. Step 3: Cross multiply
    368,102.07x = 552,152.69 × 118,784.07
  4. Step 4: Simplify right side
    368,102.07x = 65,586,943,185.73
  5. Step 5: Solve for x
    x = 65,586,943,185.73/368,102.07
  6. Step 6: Final answer
    x = 178,175.97

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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.