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Finding the Fourth Proportional to 97,880.60, 146,825.70 and 51,224.60

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Solution

The fourth proportional to 97,880.60, 146,825.70 and 51,224.60 is: 76,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,880.60 : 146,825.70 = 51,224.60 : x
  2. Step 2: Convert to fraction form
    97,880.60/146,825.70 = 51,224.60/x
  3. Step 3: Cross multiply
    97,880.60x = 146,825.70 × 51,224.60
  4. Step 4: Simplify right side
    97,880.60x = 7,521,087,752.22
  5. Step 5: Solve for x
    x = 7,521,087,752.22/97,880.60
  6. Step 6: Final answer
    x = 76,839.41

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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.