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Finding the Fourth Proportional to 181,922.76, 251,047.08 and 101,346.12

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Solution

The fourth proportional to 181,922.76, 251,047.08 and 101,346.12 is: 139,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,922.76 : 251,047.08 = 101,346.12 : x
  2. Step 2: Convert to fraction form
    181,922.76/251,047.08 = 101,346.12/x
  3. Step 3: Cross multiply
    181,922.76x = 251,047.08 × 101,346.12
  4. Step 4: Simplify right side
    181,922.76x = 25,442,647,495.33
  5. Step 5: Solve for x
    x = 25,442,647,495.33/181,922.76
  6. Step 6: Final answer
    x = 139,854.12

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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.