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Finding the Fourth Proportional to 362,018.77, 543,098.93 and 109,319.83

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Solution

The fourth proportional to 362,018.77, 543,098.93 and 109,319.83 is: 164,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,018.77 : 543,098.93 = 109,319.83 : x
  2. Step 2: Convert to fraction form
    362,018.77/543,098.93 = 109,319.83/x
  3. Step 3: Cross multiply
    362,018.77x = 543,098.93 × 109,319.83
  4. Step 4: Simplify right side
    362,018.77x = 59,371,480,796.44
  5. Step 5: Solve for x
    x = 59,371,480,796.44/362,018.77
  6. Step 6: Final answer
    x = 164,001.11

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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.