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Finding the Fourth Proportional to 100,605.84, 150,833.16 and 58,425.36

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Solution

The fourth proportional to 100,605.84, 150,833.16 and 58,425.36 is: 87,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605.84 : 150,833.16 = 58,425.36 : x
  2. Step 2: Convert to fraction form
    100,605.84/150,833.16 = 58,425.36/x
  3. Step 3: Cross multiply
    100,605.84x = 150,833.16 × 58,425.36
  4. Step 4: Simplify right side
    100,605.84x = 8,812,481,672.94
  5. Step 5: Solve for x
    x = 8,812,481,672.94/100,605.84
  6. Step 6: Final answer
    x = 87,594.14

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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.