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Finding the Fourth Proportional to 368,340.86, 552,456.61 and 102,073.61

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Solution

The fourth proportional to 368,340.86, 552,456.61 and 102,073.61 is: 153,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,340.86 : 552,456.61 = 102,073.61 : x
  2. Step 2: Convert to fraction form
    368,340.86/552,456.61 = 102,073.61/x
  3. Step 3: Cross multiply
    368,340.86x = 552,456.61 × 102,073.61
  4. Step 4: Simplify right side
    368,340.86x = 56,391,240,551.06
  5. Step 5: Solve for x
    x = 56,391,240,551.06/368,340.86
  6. Step 6: Final answer
    x = 153,095.26

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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.