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Finding the Fourth Proportional to 235,281.36, 352,981.44 and 69,069.36

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Solution

The fourth proportional to 235,281.36, 352,981.44 and 69,069.36 is: 103,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,281.36 : 352,981.44 = 69,069.36 : x
  2. Step 2: Convert to fraction form
    235,281.36/352,981.44 = 69,069.36/x
  3. Step 3: Cross multiply
    235,281.36x = 352,981.44 × 69,069.36
  4. Step 4: Simplify right side
    235,281.36x = 24,380,202,152.68
  5. Step 5: Solve for x
    x = 24,380,202,152.68/235,281.36
  6. Step 6: Final answer
    x = 103,621.48

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Why These Related Problems?

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