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Finding the Fourth Proportional to 194,992.80, 292,051.80 and 160,000.80

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Solution

The fourth proportional to 194,992.80, 292,051.80 and 160,000.80 is: 239,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,992.80 : 292,051.80 = 160,000.80 : x
  2. Step 2: Convert to fraction form
    194,992.80/292,051.80 = 160,000.80/x
  3. Step 3: Cross multiply
    194,992.80x = 292,051.80 × 160,000.80
  4. Step 4: Simplify right side
    194,992.80x = 46,728,521,641.44
  5. Step 5: Solve for x
    x = 46,728,521,641.44/194,992.80
  6. Step 6: Final answer
    x = 239,642.29

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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.