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Finding the Fourth Proportional to 164,009.60, 246,000 and 45,673.28

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Solution

The fourth proportional to 164,009.60, 246,000 and 45,673.28 is: 68,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,009.60 : 246,000 = 45,673.28 : x
  2. Step 2: Convert to fraction form
    164,009.60/246,000 = 45,673.28/x
  3. Step 3: Cross multiply
    164,009.60x = 246,000 × 45,673.28
  4. Step 4: Simplify right side
    164,009.60x = 11,235,626,880
  5. Step 5: Solve for x
    x = 11,235,626,880/164,009.60
  6. Step 6: Final answer
    x = 68,505.91

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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.