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Finding the Fourth Proportional to 164,883.30, 247,310.55 and 54,075.30

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Solution

The fourth proportional to 164,883.30, 247,310.55 and 54,075.30 is: 81,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,883.30 : 247,310.55 = 54,075.30 : x
  2. Step 2: Convert to fraction form
    164,883.30/247,310.55 = 54,075.30/x
  3. Step 3: Cross multiply
    164,883.30x = 247,310.55 × 54,075.30
  4. Step 4: Simplify right side
    164,883.30x = 13,373,392,184.42
  5. Step 5: Solve for x
    x = 13,373,392,184.42/164,883.30
  6. Step 6: Final answer
    x = 81,108.23

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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.