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Finding the Fourth Proportional to 171,383.60, 257,075.40 and 101,226.80

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Solution

The fourth proportional to 171,383.60, 257,075.40 and 101,226.80 is: 151,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,383.60 : 257,075.40 = 101,226.80 : x
  2. Step 2: Convert to fraction form
    171,383.60/257,075.40 = 101,226.80/x
  3. Step 3: Cross multiply
    171,383.60x = 257,075.40 × 101,226.80
  4. Step 4: Simplify right side
    171,383.60x = 26,022,920,100.72
  5. Step 5: Solve for x
    x = 26,022,920,100.72/171,383.60
  6. Step 6: Final answer
    x = 151,840.20

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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.