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Finding the Fourth Proportional to 192,991.96, 266,252.28 and 120,352.12

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Solution

The fourth proportional to 192,991.96, 266,252.28 and 120,352.12 is: 166,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,991.96 : 266,252.28 = 120,352.12 : x
  2. Step 2: Convert to fraction form
    192,991.96/266,252.28 = 120,352.12/x
  3. Step 3: Cross multiply
    192,991.96x = 266,252.28 × 120,352.12
  4. Step 4: Simplify right side
    192,991.96x = 32,044,026,352.83
  5. Step 5: Solve for x
    x = 32,044,026,352.83/192,991.96
  6. Step 6: Final answer
    x = 166,038.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.