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Finding the Fourth Proportional to 146,749.60, 220,140.60 and 46,892.80

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Solution

The fourth proportional to 146,749.60, 220,140.60 and 46,892.80 is: 70,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.60 : 220,140.60 = 46,892.80 : x
  2. Step 2: Convert to fraction form
    146,749.60/220,140.60 = 46,892.80/x
  3. Step 3: Cross multiply
    146,749.60x = 220,140.60 × 46,892.80
  4. Step 4: Simplify right side
    146,749.60x = 10,323,009,127.68
  5. Step 5: Solve for x
    x = 10,323,009,127.68/146,749.60
  6. Step 6: Final answer
    x = 70,344.38

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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.