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Finding the Fourth Proportional to 164,620.80, 246,931.20 and 158,169.60

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Solution

The fourth proportional to 164,620.80, 246,931.20 and 158,169.60 is: 237,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,620.80 : 246,931.20 = 158,169.60 : x
  2. Step 2: Convert to fraction form
    164,620.80/246,931.20 = 158,169.60/x
  3. Step 3: Cross multiply
    164,620.80x = 246,931.20 × 158,169.60
  4. Step 4: Simplify right side
    164,620.80x = 39,057,009,131.52
  5. Step 5: Solve for x
    x = 39,057,009,131.52/164,620.80
  6. Step 6: Final answer
    x = 237,254.40

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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.