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Finding the Fourth Proportional to 70,466.80, 97,244.98 and 40,256.12

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Solution

The fourth proportional to 70,466.80, 97,244.98 and 40,256.12 is: 55,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,466.80 : 97,244.98 = 40,256.12 : x
  2. Step 2: Convert to fraction form
    70,466.80/97,244.98 = 40,256.12/x
  3. Step 3: Cross multiply
    70,466.80x = 97,244.98 × 40,256.12
  4. Step 4: Simplify right side
    70,466.80x = 3,914,705,584.28
  5. Step 5: Solve for x
    x = 3,914,705,584.28/70,466.80
  6. Step 6: Final answer
    x = 55,553.90

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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.