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Finding the Fourth Proportional to 181,247.33, 250,084.99 and 100,663.67

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Solution

The fourth proportional to 181,247.33, 250,084.99 and 100,663.67 is: 138,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,247.33 : 250,084.99 = 100,663.67 : x
  2. Step 2: Convert to fraction form
    181,247.33/250,084.99 = 100,663.67/x
  3. Step 3: Cross multiply
    181,247.33x = 250,084.99 × 100,663.67
  4. Step 4: Simplify right side
    181,247.33x = 25,174,472,905.31
  5. Step 5: Solve for x
    x = 25,174,472,905.31/181,247.33
  6. Step 6: Final answer
    x = 138,895.69

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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.