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Finding the Fourth Proportional to 76,497.40, 114,746.10 and 23,912.20

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Solution

The fourth proportional to 76,497.40, 114,746.10 and 23,912.20 is: 35,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,497.40 : 114,746.10 = 23,912.20 : x
  2. Step 2: Convert to fraction form
    76,497.40/114,746.10 = 23,912.20/x
  3. Step 3: Cross multiply
    76,497.40x = 114,746.10 × 23,912.20
  4. Step 4: Simplify right side
    76,497.40x = 2,743,831,692.42
  5. Step 5: Solve for x
    x = 2,743,831,692.42/76,497.40
  6. Step 6: Final answer
    x = 35,868.30

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Similar ratio
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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.