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Finding the Fourth Proportional to 219,265.49, 302,586.37 and 118,663.49

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Solution

The fourth proportional to 219,265.49, 302,586.37 and 118,663.49 is: 163,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,265.49 : 302,586.37 = 118,663.49 : x
  2. Step 2: Convert to fraction form
    219,265.49/302,586.37 = 118,663.49/x
  3. Step 3: Cross multiply
    219,265.49x = 302,586.37 × 118,663.49
  4. Step 4: Simplify right side
    219,265.49x = 35,905,954,690.63
  5. Step 5: Solve for x
    x = 35,905,954,690.63/219,265.49
  6. Step 6: Final answer
    x = 163,755.61

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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.