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Finding the Fourth Proportional to 219,266.88, 302,588.31 and 118,664.88

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Solution

The fourth proportional to 219,266.88, 302,588.31 and 118,664.88 is: 163,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,266.88 : 302,588.31 = 118,664.88 : x
  2. Step 2: Convert to fraction form
    219,266.88/302,588.31 = 118,664.88/x
  3. Step 3: Cross multiply
    219,266.88x = 302,588.31 × 118,664.88
  4. Step 4: Simplify right side
    219,266.88x = 35,906,605,495.55
  5. Step 5: Solve for x
    x = 35,906,605,495.55/219,266.88
  6. Step 6: Final answer
    x = 163,757.54

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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.