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Finding the Fourth Proportional to 70,903.23, 97,847.10 and 39,073.26

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Solution

The fourth proportional to 70,903.23, 97,847.10 and 39,073.26 is: 53,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,903.23 : 97,847.10 = 39,073.26 : x
  2. Step 2: Convert to fraction form
    70,903.23/97,847.10 = 39,073.26/x
  3. Step 3: Cross multiply
    70,903.23x = 97,847.10 × 39,073.26
  4. Step 4: Simplify right side
    70,903.23x = 3,823,205,178.55
  5. Step 5: Solve for x
    x = 3,823,205,178.55/70,903.23
  6. Step 6: Final answer
    x = 53,921.45

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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.