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Finding the Fourth Proportional to 213,052.53, 294,012.15 and 117,559.15

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Solution

The fourth proportional to 213,052.53, 294,012.15 and 117,559.15 is: 162,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,052.53 : 294,012.15 = 117,559.15 : x
  2. Step 2: Convert to fraction form
    213,052.53/294,012.15 = 117,559.15/x
  3. Step 3: Cross multiply
    213,052.53x = 294,012.15 × 117,559.15
  4. Step 4: Simplify right side
    213,052.53x = 34,563,818,259.70
  5. Step 5: Solve for x
    x = 34,563,818,259.70/213,052.53
  6. Step 6: Final answer
    x = 162,231.44

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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.