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Finding the Fourth Proportional to 368,434.55, 552,651.77 and 102,195.07

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Solution

The fourth proportional to 368,434.55, 552,651.77 and 102,195.07 is: 153,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,434.55 : 552,651.77 = 102,195.07 : x
  2. Step 2: Convert to fraction form
    368,434.55/552,651.77 = 102,195.07/x
  3. Step 3: Cross multiply
    368,434.55x = 552,651.77 × 102,195.07
  4. Step 4: Simplify right side
    368,434.55x = 56,478,283,046.54
  5. Step 5: Solve for x
    x = 56,478,283,046.54/368,434.55
  6. Step 6: Final answer
    x = 153,292.58

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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.