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Finding the Fourth Proportional to 171,762.40, 257,643.60 and 168,997.60

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Solution

The fourth proportional to 171,762.40, 257,643.60 and 168,997.60 is: 253,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,762.40 : 257,643.60 = 168,997.60 : x
  2. Step 2: Convert to fraction form
    171,762.40/257,643.60 = 168,997.60/x
  3. Step 3: Cross multiply
    171,762.40x = 257,643.60 × 168,997.60
  4. Step 4: Simplify right side
    171,762.40x = 43,541,150,055.36
  5. Step 5: Solve for x
    x = 43,541,150,055.36/171,762.40
  6. Step 6: Final answer
    x = 253,496.40

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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.