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Finding the Fourth Proportional to 181,633.60, 250,649.28 and 101,056.96

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Solution

The fourth proportional to 181,633.60, 250,649.28 and 101,056.96 is: 139,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,633.60 : 250,649.28 = 101,056.96 : x
  2. Step 2: Convert to fraction form
    181,633.60/250,649.28 = 101,056.96/x
  3. Step 3: Cross multiply
    181,633.60x = 250,649.28 × 101,056.96
  4. Step 4: Simplify right side
    181,633.60x = 25,329,854,262.99
  5. Step 5: Solve for x
    x = 25,329,854,262.99/181,633.60
  6. Step 6: Final answer
    x = 139,455.77

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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.