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Finding the Fourth Proportional to 70,611.44, 97,407.75 and 45,090.97

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Solution

The fourth proportional to 70,611.44, 97,407.75 and 45,090.97 is: 62,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,611.44 : 97,407.75 = 45,090.97 : x
  2. Step 2: Convert to fraction form
    70,611.44/97,407.75 = 45,090.97/x
  3. Step 3: Cross multiply
    70,611.44x = 97,407.75 × 45,090.97
  4. Step 4: Simplify right side
    70,611.44x = 4,392,209,933.02
  5. Step 5: Solve for x
    x = 4,392,209,933.02/70,611.44
  6. Step 6: Final answer
    x = 62,202.53

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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.