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Finding the Fourth Proportional to 347,880.41, 521,812.41 and 111,225.14

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Solution

The fourth proportional to 347,880.41, 521,812.41 and 111,225.14 is: 166,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,880.41 : 521,812.41 = 111,225.14 : x
  2. Step 2: Convert to fraction form
    347,880.41/521,812.41 = 111,225.14/x
  3. Step 3: Cross multiply
    347,880.41x = 521,812.41 × 111,225.14
  4. Step 4: Simplify right side
    347,880.41x = 58,038,658,355.99
  5. Step 5: Solve for x
    x = 58,038,658,355.99/347,880.41
  6. Step 6: Final answer
    x = 166,835.09

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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.