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Finding the Fourth Proportional to 219,009.52, 302,233.84 and 118,408.24

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Solution

The fourth proportional to 219,009.52, 302,233.84 and 118,408.24 is: 163,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,009.52 : 302,233.84 = 118,408.24 : x
  2. Step 2: Convert to fraction form
    219,009.52/302,233.84 = 118,408.24/x
  3. Step 3: Cross multiply
    219,009.52x = 302,233.84 × 118,408.24
  4. Step 4: Simplify right side
    219,009.52x = 35,786,977,062.84
  5. Step 5: Solve for x
    x = 35,786,977,062.84/219,009.52
  6. Step 6: Final answer
    x = 163,403.75

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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.