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Finding the Fourth Proportional to 107,079.58, 160,619.73 and 27,117.50

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Solution

The fourth proportional to 107,079.58, 160,619.73 and 27,117.50 is: 40,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.58 : 160,619.73 = 27,117.50 : x
  2. Step 2: Convert to fraction form
    107,079.58/160,619.73 = 27,117.50/x
  3. Step 3: Cross multiply
    107,079.58x = 160,619.73 × 27,117.50
  4. Step 4: Simplify right side
    107,079.58x = 4,355,605,392.69
  5. Step 5: Solve for x
    x = 4,355,605,392.69/107,079.58
  6. Step 6: Final answer
    x = 40,676.34

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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.