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Finding the Fourth Proportional to 124,303.44, 186,383.16 and 84,908.16

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Solution

The fourth proportional to 124,303.44, 186,383.16 and 84,908.16 is: 127,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,303.44 : 186,383.16 = 84,908.16 : x
  2. Step 2: Convert to fraction form
    124,303.44/186,383.16 = 84,908.16/x
  3. Step 3: Cross multiply
    124,303.44x = 186,383.16 × 84,908.16
  4. Step 4: Simplify right side
    124,303.44x = 15,825,451,170.59
  5. Step 5: Solve for x
    x = 15,825,451,170.59/124,303.44
  6. Step 6: Final answer
    x = 127,313.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.