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Finding the Fourth Proportional to 368,001.68, 551,605.80 and 178,060.88

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Solution

The fourth proportional to 368,001.68, 551,605.80 and 178,060.88 is: 266,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,001.68 : 551,605.80 = 178,060.88 : x
  2. Step 2: Convert to fraction form
    368,001.68/551,605.80 = 178,060.88/x
  3. Step 3: Cross multiply
    368,001.68x = 551,605.80 × 178,060.88
  4. Step 4: Simplify right side
    368,001.68x = 98,219,414,161.10
  5. Step 5: Solve for x
    x = 98,219,414,161.10/368,001.68
  6. Step 6: Final answer
    x = 266,899.36

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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.