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Finding the Fourth Proportional to 248,570.30, 343,035.60 and 141,136.76

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Solution

The fourth proportional to 248,570.30, 343,035.60 and 141,136.76 is: 194,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,570.30 : 343,035.60 = 141,136.76 : x
  2. Step 2: Convert to fraction form
    248,570.30/343,035.60 = 141,136.76/x
  3. Step 3: Cross multiply
    248,570.30x = 343,035.60 × 141,136.76
  4. Step 4: Simplify right side
    248,570.30x = 48,414,933,148.66
  5. Step 5: Solve for x
    x = 48,414,933,148.66/248,570.30
  6. Step 6: Final answer
    x = 194,773.60

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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.