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Finding the Fourth Proportional to 164,851.20, 247,244.40 and 54,043.20

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Solution

The fourth proportional to 164,851.20, 247,244.40 and 54,043.20 is: 81,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,851.20 : 247,244.40 = 54,043.20 : x
  2. Step 2: Convert to fraction form
    164,851.20/247,244.40 = 54,043.20/x
  3. Step 3: Cross multiply
    164,851.20x = 247,244.40 × 54,043.20
  4. Step 4: Simplify right side
    164,851.20x = 13,361,878,558.08
  5. Step 5: Solve for x
    x = 13,361,878,558.08/164,851.20
  6. Step 6: Final answer
    x = 81,054.18

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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.