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Finding the Fourth Proportional to 70,907.40, 106,360.99 and 32,935.91

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Solution

The fourth proportional to 70,907.40, 106,360.99 and 32,935.91 is: 49,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.40 : 106,360.99 = 32,935.91 : x
  2. Step 2: Convert to fraction form
    70,907.40/106,360.99 = 32,935.91/x
  3. Step 3: Cross multiply
    70,907.40x = 106,360.99 × 32,935.91
  4. Step 4: Simplify right side
    70,907.40x = 3,503,095,380.01
  5. Step 5: Solve for x
    x = 3,503,095,380.01/70,907.40
  6. Step 6: Final answer
    x = 49,403.81

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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.