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Finding the Fourth Proportional to 84,440, 116,527.20 and 46,716.68

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Solution

The fourth proportional to 84,440, 116,527.20 and 46,716.68 is: 64,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,440 : 116,527.20 = 46,716.68 : x
  2. Step 2: Convert to fraction form
    84,440/116,527.20 = 46,716.68/x
  3. Step 3: Cross multiply
    84,440x = 116,527.20 × 46,716.68
  4. Step 4: Simplify right side
    84,440x = 5,443,763,913.70
  5. Step 5: Solve for x
    x = 5,443,763,913.70/84,440
  6. Step 6: Final answer
    x = 64,469.02

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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.