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Finding the Fourth Proportional to 124,291.44, 186,365.16 and 84,896.16

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Solution

The fourth proportional to 124,291.44, 186,365.16 and 84,896.16 is: 127,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,291.44 : 186,365.16 = 84,896.16 : x
  2. Step 2: Convert to fraction form
    124,291.44/186,365.16 = 84,896.16/x
  3. Step 3: Cross multiply
    124,291.44x = 186,365.16 × 84,896.16
  4. Step 4: Simplify right side
    124,291.44x = 15,821,686,441.79
  5. Step 5: Solve for x
    x = 15,821,686,441.79/124,291.44
  6. Step 6: Final answer
    x = 127,295.06

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1.5x scale

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.