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Finding the Fourth Proportional to 79,190.32, 118,787.64 and 23,028.16

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Solution

The fourth proportional to 79,190.32, 118,787.64 and 23,028.16 is: 34,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.32 : 118,787.64 = 23,028.16 : x
  2. Step 2: Convert to fraction form
    79,190.32/118,787.64 = 23,028.16/x
  3. Step 3: Cross multiply
    79,190.32x = 118,787.64 × 23,028.16
  4. Step 4: Simplify right side
    79,190.32x = 2,735,460,779.94
  5. Step 5: Solve for x
    x = 2,735,460,779.94/79,190.32
  6. Step 6: Final answer
    x = 34,542.87

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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.