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Finding the Fourth Proportional to 133,092.30, 199,638.45 and 119,970.30

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Solution

The fourth proportional to 133,092.30, 199,638.45 and 119,970.30 is: 179,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,092.30 : 199,638.45 = 119,970.30 : x
  2. Step 2: Convert to fraction form
    133,092.30/199,638.45 = 119,970.30/x
  3. Step 3: Cross multiply
    133,092.30x = 199,638.45 × 119,970.30
  4. Step 4: Simplify right side
    133,092.30x = 23,950,684,738.04
  5. Step 5: Solve for x
    x = 23,950,684,738.04/133,092.30
  6. Step 6: Final answer
    x = 179,955.45

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1.5x scale

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.