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Finding the Fourth Proportional to 104,838.40, 157,197.62 and 48,649.58

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Solution

The fourth proportional to 104,838.40, 157,197.62 and 48,649.58 is: 72,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.40 : 157,197.62 = 48,649.58 : x
  2. Step 2: Convert to fraction form
    104,838.40/157,197.62 = 48,649.58/x
  3. Step 3: Cross multiply
    104,838.40x = 157,197.62 × 48,649.58
  4. Step 4: Simplify right side
    104,838.40x = 7,647,598,725.71
  5. Step 5: Solve for x
    x = 7,647,598,725.71/104,838.40
  6. Step 6: Final answer
    x = 72,946.54

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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.