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Finding the Fourth Proportional to 164,048.40, 246,072.60 and 39,389.40

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Solution

The fourth proportional to 164,048.40, 246,072.60 and 39,389.40 is: 59,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,048.40 : 246,072.60 = 39,389.40 : x
  2. Step 2: Convert to fraction form
    164,048.40/246,072.60 = 39,389.40/x
  3. Step 3: Cross multiply
    164,048.40x = 246,072.60 × 39,389.40
  4. Step 4: Simplify right side
    164,048.40x = 9,692,652,070.44
  5. Step 5: Solve for x
    x = 9,692,652,070.44/164,048.40
  6. Step 6: Final answer
    x = 59,084.10

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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.