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Finding the Fourth Proportional to 192,628.94, 265,809.83 and 130,412.87

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Solution

The fourth proportional to 192,628.94, 265,809.83 and 130,412.87 is: 179,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,628.94 : 265,809.83 = 130,412.87 : x
  2. Step 2: Convert to fraction form
    192,628.94/265,809.83 = 130,412.87/x
  3. Step 3: Cross multiply
    192,628.94x = 265,809.83 × 130,412.87
  4. Step 4: Simplify right side
    192,628.94x = 34,665,022,804.51
  5. Step 5: Solve for x
    x = 34,665,022,804.51/192,628.94
  6. Step 6: Final answer
    x = 179,957.50

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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.