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Finding the Fourth Proportional to 192,099.74, 265,112.80 and 111,552.53

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Solution

The fourth proportional to 192,099.74, 265,112.80 and 111,552.53 is: 153,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.74 : 265,112.80 = 111,552.53 : x
  2. Step 2: Convert to fraction form
    192,099.74/265,112.80 = 111,552.53/x
  3. Step 3: Cross multiply
    192,099.74x = 265,112.80 × 111,552.53
  4. Step 4: Simplify right side
    192,099.74x = 29,574,001,970.94
  5. Step 5: Solve for x
    x = 29,574,001,970.94/192,099.74
  6. Step 6: Final answer
    x = 153,951.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.