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Finding the Fourth Proportional to 181,355.84, 250,272.44 and 100,790.92

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Solution

The fourth proportional to 181,355.84, 250,272.44 and 100,790.92 is: 139,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.84 : 250,272.44 = 100,790.92 : x
  2. Step 2: Convert to fraction form
    181,355.84/250,272.44 = 100,790.92/x
  3. Step 3: Cross multiply
    181,355.84x = 250,272.44 × 100,790.92
  4. Step 4: Simplify right side
    181,355.84x = 25,225,189,478.24
  5. Step 5: Solve for x
    x = 25,225,189,478.24/181,355.84
  6. Step 6: Final answer
    x = 139,092.24

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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.