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Finding the Fourth Proportional to 69,270.40, 103,831.08 and 29,846.08

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Solution

The fourth proportional to 69,270.40, 103,831.08 and 29,846.08 is: 44,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,270.40 : 103,831.08 = 29,846.08 : x
  2. Step 2: Convert to fraction form
    69,270.40/103,831.08 = 29,846.08/x
  3. Step 3: Cross multiply
    69,270.40x = 103,831.08 × 29,846.08
  4. Step 4: Simplify right side
    69,270.40x = 3,098,950,720.17
  5. Step 5: Solve for x
    x = 3,098,950,720.17/69,270.40
  6. Step 6: Final answer
    x = 44,737.01

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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.