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Finding the Fourth Proportional to 161,173.68, 241,808.81 and 65,061.40

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Solution

The fourth proportional to 161,173.68, 241,808.81 and 65,061.40 is: 97,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,173.68 : 241,808.81 = 65,061.40 : x
  2. Step 2: Convert to fraction form
    161,173.68/241,808.81 = 65,061.40/x
  3. Step 3: Cross multiply
    161,173.68x = 241,808.81 × 65,061.40
  4. Step 4: Simplify right side
    161,173.68x = 15,732,419,710.93
  5. Step 5: Solve for x
    x = 15,732,419,710.93/161,173.68
  6. Step 6: Final answer
    x = 97,611.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.