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Finding the Fourth Proportional to 219,265.88, 302,586.93 and 118,663.88

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Solution

The fourth proportional to 219,265.88, 302,586.93 and 118,663.88 is: 163,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,265.88 : 302,586.93 = 118,663.88 : x
  2. Step 2: Convert to fraction form
    219,265.88/302,586.93 = 118,663.88/x
  3. Step 3: Cross multiply
    219,265.88x = 302,586.93 × 118,663.88
  4. Step 4: Simplify right side
    219,265.88x = 35,906,137,638.15
  5. Step 5: Solve for x
    x = 35,906,137,638.15/219,265.88
  6. Step 6: Final answer
    x = 163,756.16

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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.