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Finding the Fourth Proportional to 146,070.01, 219,129.22 and 51,275.60

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Solution

The fourth proportional to 146,070.01, 219,129.22 and 51,275.60 is: 76,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,070.01 : 219,129.22 = 51,275.60 : x
  2. Step 2: Convert to fraction form
    146,070.01/219,129.22 = 51,275.60/x
  3. Step 3: Cross multiply
    146,070.01x = 219,129.22 × 51,275.60
  4. Step 4: Simplify right side
    146,070.01x = 11,235,982,233.03
  5. Step 5: Solve for x
    x = 11,235,982,233.03/146,070.01
  6. Step 6: Final answer
    x = 76,921.90

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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.