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Finding the Fourth Proportional to 181,856.09, 250,969.16 and 101,283.62

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Solution

The fourth proportional to 181,856.09, 250,969.16 and 101,283.62 is: 139,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,856.09 : 250,969.16 = 101,283.62 : x
  2. Step 2: Convert to fraction form
    181,856.09/250,969.16 = 101,283.62/x
  3. Step 3: Cross multiply
    181,856.09x = 250,969.16 × 101,283.62
  4. Step 4: Simplify right side
    181,856.09x = 25,419,064,031.52
  5. Step 5: Solve for x
    x = 25,419,064,031.52/181,856.09
  6. Step 6: Final answer
    x = 139,775.71

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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.