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Finding the Fourth Proportional to 213,954.66, 295,266.65 and 118,461.35

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Solution

The fourth proportional to 213,954.66, 295,266.65 and 118,461.35 is: 163,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,954.66 : 295,266.65 = 118,461.35 : x
  2. Step 2: Convert to fraction form
    213,954.66/295,266.65 = 118,461.35/x
  3. Step 3: Cross multiply
    213,954.66x = 295,266.65 × 118,461.35
  4. Step 4: Simplify right side
    213,954.66x = 34,977,687,003.30
  5. Step 5: Solve for x
    x = 34,977,687,003.30/213,954.66
  6. Step 6: Final answer
    x = 163,481.77

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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.