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Finding the Fourth Proportional to 64,166.72, 96,250.14 and 17,419.60

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Solution

The fourth proportional to 64,166.72, 96,250.14 and 17,419.60 is: 26,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.72 : 96,250.14 = 17,419.60 : x
  2. Step 2: Convert to fraction form
    64,166.72/96,250.14 = 17,419.60/x
  3. Step 3: Cross multiply
    64,166.72x = 96,250.14 × 17,419.60
  4. Step 4: Simplify right side
    64,166.72x = 1,676,638,938.74
  5. Step 5: Solve for x
    x = 1,676,638,938.74/64,166.72
  6. Step 6: Final answer
    x = 26,129.42

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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.