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Finding the Fourth Proportional to 368,338.46, 552,511.80 and 102,101.29

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Solution

The fourth proportional to 368,338.46, 552,511.80 and 102,101.29 is: 153,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,338.46 : 552,511.80 = 102,101.29 : x
  2. Step 2: Convert to fraction form
    368,338.46/552,511.80 = 102,101.29/x
  3. Step 3: Cross multiply
    368,338.46x = 552,511.80 × 102,101.29
  4. Step 4: Simplify right side
    368,338.46x = 56,412,167,520.22
  5. Step 5: Solve for x
    x = 56,412,167,520.22/368,338.46
  6. Step 6: Final answer
    x = 153,153.07

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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.