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Finding the Fourth Proportional to 248,641.43, 343,113.23 and 141,197.27

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Solution

The fourth proportional to 248,641.43, 343,113.23 and 141,197.27 is: 194,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,641.43 : 343,113.23 = 141,197.27 : x
  2. Step 2: Convert to fraction form
    248,641.43/343,113.23 = 141,197.27/x
  3. Step 3: Cross multiply
    248,641.43x = 343,113.23 × 141,197.27
  4. Step 4: Simplify right side
    248,641.43x = 48,446,650,014.31
  5. Step 5: Solve for x
    x = 48,446,650,014.31/248,641.43
  6. Step 6: Final answer
    x = 194,845.45

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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.