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Finding the Fourth Proportional to 203,341.58, 305,014.44 and 53,603.36

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Solution

The fourth proportional to 203,341.58, 305,014.44 and 53,603.36 is: 80,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,341.58 : 305,014.44 = 53,603.36 : x
  2. Step 2: Convert to fraction form
    203,341.58/305,014.44 = 53,603.36/x
  3. Step 3: Cross multiply
    203,341.58x = 305,014.44 × 53,603.36
  4. Step 4: Simplify right side
    203,341.58x = 16,349,798,832.52
  5. Step 5: Solve for x
    x = 16,349,798,832.52/203,341.58
  6. Step 6: Final answer
    x = 80,405.59

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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.