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Finding the Fourth Proportional to 368,436.29, 552,654.40 and 102,196.82

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Solution

The fourth proportional to 368,436.29, 552,654.40 and 102,196.82 is: 153,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,436.29 : 552,654.40 = 102,196.82 : x
  2. Step 2: Convert to fraction form
    368,436.29/552,654.40 = 102,196.82/x
  3. Step 3: Cross multiply
    368,436.29x = 552,654.40 × 102,196.82
  4. Step 4: Simplify right side
    368,436.29x = 56,479,519,220.24
  5. Step 5: Solve for x
    x = 56,479,519,220.24/368,436.29
  6. Step 6: Final answer
    x = 153,295.21

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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.