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Finding the Fourth Proportional to 64,129.73, 96,110.70 and 34,483.73

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Solution

The fourth proportional to 64,129.73, 96,110.70 and 34,483.73 is: 51,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.73 : 96,110.70 = 34,483.73 : x
  2. Step 2: Convert to fraction form
    64,129.73/96,110.70 = 34,483.73/x
  3. Step 3: Cross multiply
    64,129.73x = 96,110.70 × 34,483.73
  4. Step 4: Simplify right side
    64,129.73x = 3,314,254,948.36
  5. Step 5: Solve for x
    x = 3,314,254,948.36/64,129.73
  6. Step 6: Final answer
    x = 51,680.48

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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.