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Finding the Fourth Proportional to 164,485.80, 246,291.30 and 104,999.40

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Solution

The fourth proportional to 164,485.80, 246,291.30 and 104,999.40 is: 157,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,485.80 : 246,291.30 = 104,999.40 : x
  2. Step 2: Convert to fraction form
    164,485.80/246,291.30 = 104,999.40/x
  3. Step 3: Cross multiply
    164,485.80x = 246,291.30 × 104,999.40
  4. Step 4: Simplify right side
    164,485.80x = 25,860,438,725.22
  5. Step 5: Solve for x
    x = 25,860,438,725.22/164,485.80
  6. Step 6: Final answer
    x = 157,219.89

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1.5x scale

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.