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Finding the Fourth Proportional to 171,861.66, 237,319.74 and 107,441.01

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Solution

The fourth proportional to 171,861.66, 237,319.74 and 107,441.01 is: 148,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,861.66 : 237,319.74 = 107,441.01 : x
  2. Step 2: Convert to fraction form
    171,861.66/237,319.74 = 107,441.01/x
  3. Step 3: Cross multiply
    171,861.66x = 237,319.74 × 107,441.01
  4. Step 4: Simplify right side
    171,861.66x = 25,497,872,558.54
  5. Step 5: Solve for x
    x = 25,497,872,558.54/171,861.66
  6. Step 6: Final answer
    x = 148,362.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.