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Finding the Fourth Proportional to 192,453.15, 265,574.61 and 106,407.15

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Solution

The fourth proportional to 192,453.15, 265,574.61 and 106,407.15 is: 146,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453.15 : 265,574.61 = 106,407.15 : x
  2. Step 2: Convert to fraction form
    192,453.15/265,574.61 = 106,407.15/x
  3. Step 3: Cross multiply
    192,453.15x = 265,574.61 × 106,407.15
  4. Step 4: Simplify right side
    192,453.15x = 28,259,037,362.46
  5. Step 5: Solve for x
    x = 28,259,037,362.46/192,453.15
  6. Step 6: Final answer
    x = 146,835.93

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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.