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Finding the Fourth Proportional to 378,099.04, 567,069.18 and 167,602.72

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Solution

The fourth proportional to 378,099.04, 567,069.18 and 167,602.72 is: 251,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,099.04 : 567,069.18 = 167,602.72 : x
  2. Step 2: Convert to fraction form
    378,099.04/567,069.18 = 167,602.72/x
  3. Step 3: Cross multiply
    378,099.04x = 567,069.18 × 167,602.72
  4. Step 4: Simplify right side
    378,099.04x = 95,042,336,996.17
  5. Step 5: Solve for x
    x = 95,042,336,996.17/378,099.04
  6. Step 6: Final answer
    x = 251,368.89

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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.