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Finding the Fourth Proportional to 207,096.66, 310,189.65 and 171,150.60

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Solution

The fourth proportional to 207,096.66, 310,189.65 and 171,150.60 is: 256,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,096.66 : 310,189.65 = 171,150.60 : x
  2. Step 2: Convert to fraction form
    207,096.66/310,189.65 = 171,150.60/x
  3. Step 3: Cross multiply
    207,096.66x = 310,189.65 × 171,150.60
  4. Step 4: Simplify right side
    207,096.66x = 53,089,144,711.29
  5. Step 5: Solve for x
    x = 53,089,144,711.29/207,096.66
  6. Step 6: Final answer
    x = 256,349.59

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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.