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Finding the Fourth Proportional to 181,396.95, 250,258.01 and 116,861.31

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Solution

The fourth proportional to 181,396.95, 250,258.01 and 116,861.31 is: 161,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,396.95 : 250,258.01 = 116,861.31 : x
  2. Step 2: Convert to fraction form
    181,396.95/250,258.01 = 116,861.31/x
  3. Step 3: Cross multiply
    181,396.95x = 250,258.01 × 116,861.31
  4. Step 4: Simplify right side
    181,396.95x = 29,245,478,302.29
  5. Step 5: Solve for x
    x = 29,245,478,302.29/181,396.95
  6. Step 6: Final answer
    x = 161,223.65

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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.