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Finding the Fourth Proportional to 70,450.94, 97,229.02 and 40,240.77

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Solution

The fourth proportional to 70,450.94, 97,229.02 and 40,240.77 is: 55,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.94 : 97,229.02 = 40,240.77 : x
  2. Step 2: Convert to fraction form
    70,450.94/97,229.02 = 40,240.77/x
  3. Step 3: Cross multiply
    70,450.94x = 97,229.02 × 40,240.77
  4. Step 4: Simplify right side
    70,450.94x = 3,912,570,631.15
  5. Step 5: Solve for x
    x = 3,912,570,631.15/70,450.94
  6. Step 6: Final answer
    x = 55,536.10

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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.