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Finding the Fourth Proportional to 96,573.20, 144,787.80 and 49,859.60

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Solution

The fourth proportional to 96,573.20, 144,787.80 and 49,859.60 is: 74,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,573.20 : 144,787.80 = 49,859.60 : x
  2. Step 2: Convert to fraction form
    96,573.20/144,787.80 = 49,859.60/x
  3. Step 3: Cross multiply
    96,573.20x = 144,787.80 × 49,859.60
  4. Step 4: Simplify right side
    96,573.20x = 7,219,061,792.88
  5. Step 5: Solve for x
    x = 7,219,061,792.88/96,573.20
  6. Step 6: Final answer
    x = 74,752.23

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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.