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Finding the Fourth Proportional to 104,710.46, 155,881.39 and 104,087.68

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Solution

The fourth proportional to 104,710.46, 155,881.39 and 104,087.68 is: 154,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,710.46 : 155,881.39 = 104,087.68 : x
  2. Step 2: Convert to fraction form
    104,710.46/155,881.39 = 104,087.68/x
  3. Step 3: Cross multiply
    104,710.46x = 155,881.39 × 104,087.68
  4. Step 4: Simplify right side
    104,710.46x = 16,225,332,174.91
  5. Step 5: Solve for x
    x = 16,225,332,174.91/104,710.46
  6. Step 6: Final answer
    x = 154,954.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.