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Finding the Fourth Proportional to 106,288.19, 159,454.15 and 43,958.69

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Solution

The fourth proportional to 106,288.19, 159,454.15 and 43,958.69 is: 65,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,288.19 : 159,454.15 = 43,958.69 : x
  2. Step 2: Convert to fraction form
    106,288.19/159,454.15 = 43,958.69/x
  3. Step 3: Cross multiply
    106,288.19x = 159,454.15 × 43,958.69
  4. Step 4: Simplify right side
    106,288.19x = 7,009,395,549.06
  5. Step 5: Solve for x
    x = 7,009,395,549.06/106,288.19
  6. Step 6: Final answer
    x = 65,947.08

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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.