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Finding the Fourth Proportional to 192,666.32, 265,879.44 and 107,783.36

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Solution

The fourth proportional to 192,666.32, 265,879.44 and 107,783.36 is: 148,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,666.32 : 265,879.44 = 107,783.36 : x
  2. Step 2: Convert to fraction form
    192,666.32/265,879.44 = 107,783.36/x
  3. Step 3: Cross multiply
    192,666.32x = 265,879.44 × 107,783.36
  4. Step 4: Simplify right side
    192,666.32x = 28,657,379,398.12
  5. Step 5: Solve for x
    x = 28,657,379,398.12/192,666.32
  6. Step 6: Final answer
    x = 148,740.99

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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.