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Finding the Fourth Proportional to 192,415.95, 265,550.37 and 111,838.32

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Solution

The fourth proportional to 192,415.95, 265,550.37 and 111,838.32 is: 154,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,415.95 : 265,550.37 = 111,838.32 : x
  2. Step 2: Convert to fraction form
    192,415.95/265,550.37 = 111,838.32/x
  3. Step 3: Cross multiply
    192,415.95x = 265,550.37 × 111,838.32
  4. Step 4: Simplify right side
    192,415.95x = 29,698,707,256.18
  5. Step 5: Solve for x
    x = 29,698,707,256.18/192,415.95
  6. Step 6: Final answer
    x = 154,346.39

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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.