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Finding the Fourth Proportional to 192,392.49, 265,501.22 and 107,509.56

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Solution

The fourth proportional to 192,392.49, 265,501.22 and 107,509.56 is: 148,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,392.49 : 265,501.22 = 107,509.56 : x
  2. Step 2: Convert to fraction form
    192,392.49/265,501.22 = 107,509.56/x
  3. Step 3: Cross multiply
    192,392.49x = 265,501.22 × 107,509.56
  4. Step 4: Simplify right side
    192,392.49x = 28,543,918,804.12
  5. Step 5: Solve for x
    x = 28,543,918,804.12/192,392.49
  6. Step 6: Final answer
    x = 148,362.96

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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.