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Finding the Fourth Proportional to 181,832.96, 250,911.60 and 101,257.40

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Solution

The fourth proportional to 181,832.96, 250,911.60 and 101,257.40 is: 139,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,832.96 : 250,911.60 = 101,257.40 : x
  2. Step 2: Convert to fraction form
    181,832.96/250,911.60 = 101,257.40/x
  3. Step 3: Cross multiply
    181,832.96x = 250,911.60 × 101,257.40
  4. Step 4: Simplify right side
    181,832.96x = 25,406,656,245.84
  5. Step 5: Solve for x
    x = 25,406,656,245.84/181,832.96
  6. Step 6: Final answer
    x = 139,725.25

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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.