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Finding the Fourth Proportional to 219,747.40, 329,621.10 and 53,535.40

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Solution

The fourth proportional to 219,747.40, 329,621.10 and 53,535.40 is: 80,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,747.40 : 329,621.10 = 53,535.40 : x
  2. Step 2: Convert to fraction form
    219,747.40/329,621.10 = 53,535.40/x
  3. Step 3: Cross multiply
    219,747.40x = 329,621.10 × 53,535.40
  4. Step 4: Simplify right side
    219,747.40x = 17,646,397,436.94
  5. Step 5: Solve for x
    x = 17,646,397,436.94/219,747.40
  6. Step 6: Final answer
    x = 80,303.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.