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Finding the Fourth Proportional to 171,907.40, 257,861.10 and 59,714.30

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Solution

The fourth proportional to 171,907.40, 257,861.10 and 59,714.30 is: 89,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,907.40 : 257,861.10 = 59,714.30 : x
  2. Step 2: Convert to fraction form
    171,907.40/257,861.10 = 59,714.30/x
  3. Step 3: Cross multiply
    171,907.40x = 257,861.10 × 59,714.30
  4. Step 4: Simplify right side
    171,907.40x = 15,397,995,083.73
  5. Step 5: Solve for x
    x = 15,397,995,083.73/171,907.40
  6. Step 6: Final answer
    x = 89,571.45

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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.