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Finding the Fourth Proportional to 70,381.96, 97,127.13 and 38,551.39

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Solution

The fourth proportional to 70,381.96, 97,127.13 and 38,551.39 is: 53,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,381.96 : 97,127.13 = 38,551.39 : x
  2. Step 2: Convert to fraction form
    70,381.96/97,127.13 = 38,551.39/x
  3. Step 3: Cross multiply
    70,381.96x = 97,127.13 × 38,551.39
  4. Step 4: Simplify right side
    70,381.96x = 3,744,385,868.21
  5. Step 5: Solve for x
    x = 3,744,385,868.21/70,381.96
  6. Step 6: Final answer
    x = 53,200.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.