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Finding the Fourth Proportional to 70,461.30, 97,237.39 and 40,250.62

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Solution

The fourth proportional to 70,461.30, 97,237.39 and 40,250.62 is: 55,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,461.30 : 97,237.39 = 40,250.62 : x
  2. Step 2: Convert to fraction form
    70,461.30/97,237.39 = 40,250.62/x
  3. Step 3: Cross multiply
    70,461.30x = 97,237.39 × 40,250.62
  4. Step 4: Simplify right side
    70,461.30x = 3,913,865,234.68
  5. Step 5: Solve for x
    x = 3,913,865,234.68/70,461.30
  6. Step 6: Final answer
    x = 55,546.31

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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.