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Finding the Fourth Proportional to 192,379.18, 265,482.71 and 107,496.31

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Solution

The fourth proportional to 192,379.18, 265,482.71 and 107,496.31 is: 148,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.18 : 265,482.71 = 107,496.31 : x
  2. Step 2: Convert to fraction form
    192,379.18/265,482.71 = 107,496.31/x
  3. Step 3: Cross multiply
    192,379.18x = 265,482.71 × 107,496.31
  4. Step 4: Simplify right side
    192,379.18x = 28,538,410,895.72
  5. Step 5: Solve for x
    x = 28,538,410,895.72/192,379.18
  6. Step 6: Final answer
    x = 148,344.59

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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.