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Finding the Fourth Proportional to 192,055.80, 288,045.30 and 92,215.80

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Solution

The fourth proportional to 192,055.80, 288,045.30 and 92,215.80 is: 138,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,055.80 : 288,045.30 = 92,215.80 : x
  2. Step 2: Convert to fraction form
    192,055.80/288,045.30 = 92,215.80/x
  3. Step 3: Cross multiply
    192,055.80x = 288,045.30 × 92,215.80
  4. Step 4: Simplify right side
    192,055.80x = 26,562,327,775.74
  5. Step 5: Solve for x
    x = 26,562,327,775.74/192,055.80
  6. Step 6: Final answer
    x = 138,305.26

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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.