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Finding the Fourth Proportional to 248,192.88, 342,488.94 and 140,764.20

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Solution

The fourth proportional to 248,192.88, 342,488.94 and 140,764.20 is: 194,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,192.88 : 342,488.94 = 140,764.20 : x
  2. Step 2: Convert to fraction form
    248,192.88/342,488.94 = 140,764.20/x
  3. Step 3: Cross multiply
    248,192.88x = 342,488.94 × 140,764.20
  4. Step 4: Simplify right side
    248,192.88x = 48,210,181,647.95
  5. Step 5: Solve for x
    x = 48,210,181,647.95/248,192.88
  6. Step 6: Final answer
    x = 194,244.82

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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.