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Finding the Fourth Proportional to 171,650.60, 257,087.10 and 101,666.60

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Solution

The fourth proportional to 171,650.60, 257,087.10 and 101,666.60 is: 152,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,650.60 : 257,087.10 = 101,666.60 : x
  2. Step 2: Convert to fraction form
    171,650.60/257,087.10 = 101,666.60/x
  3. Step 3: Cross multiply
    171,650.60x = 257,087.10 × 101,666.60
  4. Step 4: Simplify right side
    171,650.60x = 26,137,171,360.86
  5. Step 5: Solve for x
    x = 26,137,171,360.86/171,650.60
  6. Step 6: Final answer
    x = 152,269.62

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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.