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Finding the Fourth Proportional to 368,377.39, 552,566.11 and 102,137.91

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Solution

The fourth proportional to 368,377.39, 552,566.11 and 102,137.91 is: 153,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,377.39 : 552,566.11 = 102,137.91 : x
  2. Step 2: Convert to fraction form
    368,377.39/552,566.11 = 102,137.91/x
  3. Step 3: Cross multiply
    368,377.39x = 552,566.11 × 102,137.91
  4. Step 4: Simplify right side
    368,377.39x = 56,437,947,612.23
  5. Step 5: Solve for x
    x = 56,437,947,612.23/368,377.39
  6. Step 6: Final answer
    x = 153,206.87

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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.