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Finding the Fourth Proportional to 161,172.17, 241,806.55 and 65,059.90

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Solution

The fourth proportional to 161,172.17, 241,806.55 and 65,059.90 is: 97,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,172.17 : 241,806.55 = 65,059.90 : x
  2. Step 2: Convert to fraction form
    161,172.17/241,806.55 = 65,059.90/x
  3. Step 3: Cross multiply
    161,172.17x = 241,806.55 × 65,059.90
  4. Step 4: Simplify right side
    161,172.17x = 15,731,909,962.35
  5. Step 5: Solve for x
    x = 15,731,909,962.35/161,172.17
  6. Step 6: Final answer
    x = 97,609.35

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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.