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Finding the Fourth Proportional to 118,027.76, 162,873.22 and 67,040.34

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Solution

The fourth proportional to 118,027.76, 162,873.22 and 67,040.34 is: 92,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,027.76 : 162,873.22 = 67,040.34 : x
  2. Step 2: Convert to fraction form
    118,027.76/162,873.22 = 67,040.34/x
  3. Step 3: Cross multiply
    118,027.76x = 162,873.22 × 67,040.34
  4. Step 4: Simplify right side
    118,027.76x = 10,919,075,458.83
  5. Step 5: Solve for x
    x = 10,919,075,458.83/118,027.76
  6. Step 6: Final answer
    x = 92,512.77

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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.