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Finding the Fourth Proportional to 70,433.96, 97,193.94 and 40,220.96

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Solution

The fourth proportional to 70,433.96, 97,193.94 and 40,220.96 is: 55,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,433.96 : 97,193.94 = 40,220.96 : x
  2. Step 2: Convert to fraction form
    70,433.96/97,193.94 = 40,220.96/x
  3. Step 3: Cross multiply
    70,433.96x = 97,193.94 × 40,220.96
  4. Step 4: Simplify right side
    70,433.96x = 3,909,233,572.98
  5. Step 5: Solve for x
    x = 3,909,233,572.98/70,433.96
  6. Step 6: Final answer
    x = 55,502.11

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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.