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Finding the Fourth Proportional to 242,786.09, 364,250.22 and 124,539.86

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Solution

The fourth proportional to 242,786.09, 364,250.22 and 124,539.86 is: 186,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,786.09 : 364,250.22 = 124,539.86 : x
  2. Step 2: Convert to fraction form
    242,786.09/364,250.22 = 124,539.86/x
  3. Step 3: Cross multiply
    242,786.09x = 364,250.22 × 124,539.86
  4. Step 4: Simplify right side
    242,786.09x = 45,363,671,847.37
  5. Step 5: Solve for x
    x = 45,363,671,847.37/242,786.09
  6. Step 6: Final answer
    x = 186,846.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.