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Finding the Fourth Proportional to 60,199.46, 90,216.16 and 45,392.10

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Solution

The fourth proportional to 60,199.46, 90,216.16 and 45,392.10 is: 68,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,199.46 : 90,216.16 = 45,392.10 : x
  2. Step 2: Convert to fraction form
    60,199.46/90,216.16 = 45,392.10/x
  3. Step 3: Cross multiply
    60,199.46x = 90,216.16 × 45,392.10
  4. Step 4: Simplify right side
    60,199.46x = 4,095,100,956.34
  5. Step 5: Solve for x
    x = 4,095,100,956.34/60,199.46
  6. Step 6: Final answer
    x = 68,025.54

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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.