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Finding the Fourth Proportional to 60,235.92, 90,353.34 and 47,099.34

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Solution

The fourth proportional to 60,235.92, 90,353.34 and 47,099.34 is: 70,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,235.92 : 90,353.34 = 47,099.34 : x
  2. Step 2: Convert to fraction form
    60,235.92/90,353.34 = 47,099.34/x
  3. Step 3: Cross multiply
    60,235.92x = 90,353.34 × 47,099.34
  4. Step 4: Simplify right side
    60,235.92x = 4,255,582,680.80
  5. Step 5: Solve for x
    x = 4,255,582,680.80/60,235.92
  6. Step 6: Final answer
    x = 70,648.59

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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.