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Finding the Fourth Proportional to 71,330.76, 98,408.16 and 45,833.22

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Solution

The fourth proportional to 71,330.76, 98,408.16 and 45,833.22 is: 63,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.76 : 98,408.16 = 45,833.22 : x
  2. Step 2: Convert to fraction form
    71,330.76/98,408.16 = 45,833.22/x
  3. Step 3: Cross multiply
    71,330.76x = 98,408.16 × 45,833.22
  4. Step 4: Simplify right side
    71,330.76x = 4,510,362,847.08
  5. Step 5: Solve for x
    x = 4,510,362,847.08/71,330.76
  6. Step 6: Final answer
    x = 63,231.67

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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.