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Finding the Fourth Proportional to 378,377.16, 567,598.56 and 108,506.56

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Solution

The fourth proportional to 378,377.16, 567,598.56 and 108,506.56 is: 162,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,377.16 : 567,598.56 = 108,506.56 : x
  2. Step 2: Convert to fraction form
    378,377.16/567,598.56 = 108,506.56/x
  3. Step 3: Cross multiply
    378,377.16x = 567,598.56 × 108,506.56
  4. Step 4: Simplify right side
    378,377.16x = 61,588,167,206.55
  5. Step 5: Solve for x
    x = 61,588,167,206.55/378,377.16
  6. Step 6: Final answer
    x = 162,769.25

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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.