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Finding the Fourth Proportional to 171,653.60, 257,091.60 and 101,669.60

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Solution

The fourth proportional to 171,653.60, 257,091.60 and 101,669.60 is: 152,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,653.60 : 257,091.60 = 101,669.60 : x
  2. Step 2: Convert to fraction form
    171,653.60/257,091.60 = 101,669.60/x
  3. Step 3: Cross multiply
    171,653.60x = 257,091.60 × 101,669.60
  4. Step 4: Simplify right side
    171,653.60x = 26,138,400,135.36
  5. Step 5: Solve for x
    x = 26,138,400,135.36/171,653.60
  6. Step 6: Final answer
    x = 152,274.12

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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.