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Finding the Fourth Proportional to 171,941.60, 257,835.60 and 66,725.60

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Solution

The fourth proportional to 171,941.60, 257,835.60 and 66,725.60 is: 100,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.60 : 257,835.60 = 66,725.60 : x
  2. Step 2: Convert to fraction form
    171,941.60/257,835.60 = 66,725.60/x
  3. Step 3: Cross multiply
    171,941.60x = 257,835.60 × 66,725.60
  4. Step 4: Simplify right side
    171,941.60x = 17,204,235,111.36
  5. Step 5: Solve for x
    x = 17,204,235,111.36/171,941.60
  6. Step 6: Final answer
    x = 100,058.60

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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.