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Finding the Fourth Proportional to 171,273.48, 256,984.08 and 71,453.34

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Solution

The fourth proportional to 171,273.48, 256,984.08 and 71,453.34 is: 107,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,273.48 : 256,984.08 = 71,453.34 : x
  2. Step 2: Convert to fraction form
    171,273.48/256,984.08 = 71,453.34/x
  3. Step 3: Cross multiply
    171,273.48x = 256,984.08 × 71,453.34
  4. Step 4: Simplify right side
    171,273.48x = 18,362,370,842.83
  5. Step 5: Solve for x
    x = 18,362,370,842.83/171,273.48
  6. Step 6: Final answer
    x = 107,210.82

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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.