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Finding the Fourth Proportional to 192,018.93, 287,753.88 and 141,017.91

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Solution

The fourth proportional to 192,018.93, 287,753.88 and 141,017.91 is: 211,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018.93 : 287,753.88 = 141,017.91 : x
  2. Step 2: Convert to fraction form
    192,018.93/287,753.88 = 141,017.91/x
  3. Step 3: Cross multiply
    192,018.93x = 287,753.88 × 141,017.91
  4. Step 4: Simplify right side
    192,018.93x = 40,578,450,751.99
  5. Step 5: Solve for x
    x = 40,578,450,751.99/192,018.93
  6. Step 6: Final answer
    x = 211,325.26

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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.