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Finding the Fourth Proportional to 378,266.07, 567,398.07 and 112,047.34

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Solution

The fourth proportional to 378,266.07, 567,398.07 and 112,047.34 is: 168,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,266.07 : 567,398.07 = 112,047.34 : x
  2. Step 2: Convert to fraction form
    378,266.07/567,398.07 = 112,047.34/x
  3. Step 3: Cross multiply
    378,266.07x = 567,398.07 × 112,047.34
  4. Step 4: Simplify right side
    378,266.07x = 63,575,445,173.88
  5. Step 5: Solve for x
    x = 63,575,445,173.88/378,266.07
  6. Step 6: Final answer
    x = 168,070.71

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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.