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Finding the Fourth Proportional to 171,475.60, 257,213.40 and 168,195.10

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Solution

The fourth proportional to 171,475.60, 257,213.40 and 168,195.10 is: 252,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,475.60 : 257,213.40 = 168,195.10 : x
  2. Step 2: Convert to fraction form
    171,475.60/257,213.40 = 168,195.10/x
  3. Step 3: Cross multiply
    171,475.60x = 257,213.40 × 168,195.10
  4. Step 4: Simplify right side
    171,475.60x = 43,262,033,534.34
  5. Step 5: Solve for x
    x = 43,262,033,534.34/171,475.60
  6. Step 6: Final answer
    x = 252,292.65

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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.