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Finding the Fourth Proportional to 181,830.68, 250,919.34 and 101,261.60

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Solution

The fourth proportional to 181,830.68, 250,919.34 and 101,261.60 is: 139,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,830.68 : 250,919.34 = 101,261.60 : x
  2. Step 2: Convert to fraction form
    181,830.68/250,919.34 = 101,261.60/x
  3. Step 3: Cross multiply
    181,830.68x = 250,919.34 × 101,261.60
  4. Step 4: Simplify right side
    181,830.68x = 25,408,493,839.34
  5. Step 5: Solve for x
    x = 25,408,493,839.34/181,830.68
  6. Step 6: Final answer
    x = 139,737.11

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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.