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Finding the Fourth Proportional to 171,701.60, 257,548.34 and 47,042.60

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Solution

The fourth proportional to 171,701.60, 257,548.34 and 47,042.60 is: 70,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,701.60 : 257,548.34 = 47,042.60 : x
  2. Step 2: Convert to fraction form
    171,701.60/257,548.34 = 47,042.60/x
  3. Step 3: Cross multiply
    171,701.60x = 257,548.34 × 47,042.60
  4. Step 4: Simplify right side
    171,701.60x = 12,115,743,539.28
  5. Step 5: Solve for x
    x = 12,115,743,539.28/171,701.60
  6. Step 6: Final answer
    x = 70,562.79

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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.