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Finding the Fourth Proportional to 118,040.42, 162,891.03 and 64,324.28

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Solution

The fourth proportional to 118,040.42, 162,891.03 and 64,324.28 is: 88,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,040.42 : 162,891.03 = 64,324.28 : x
  2. Step 2: Convert to fraction form
    118,040.42/162,891.03 = 64,324.28/x
  3. Step 3: Cross multiply
    118,040.42x = 162,891.03 × 64,324.28
  4. Step 4: Simplify right side
    118,040.42x = 10,477,848,630.44
  5. Step 5: Solve for x
    x = 10,477,848,630.44/118,040.42
  6. Step 6: Final answer
    x = 88,764.93

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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.