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Finding the Fourth Proportional to 219,249.52, 302,564.60 and 118,647.52

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Solution

The fourth proportional to 219,249.52, 302,564.60 and 118,647.52 is: 163,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,249.52 : 302,564.60 = 118,647.52 : x
  2. Step 2: Convert to fraction form
    219,249.52/302,564.60 = 118,647.52/x
  3. Step 3: Cross multiply
    219,249.52x = 302,564.60 × 118,647.52
  4. Step 4: Simplify right side
    219,249.52x = 35,898,539,429.79
  5. Step 5: Solve for x
    x = 35,898,539,429.79/219,249.52
  6. Step 6: Final answer
    x = 163,733.72

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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.