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Finding the Fourth Proportional to 97,450.80, 146,075.40 and 52,983.60

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Solution

The fourth proportional to 97,450.80, 146,075.40 and 52,983.60 is: 79,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,450.80 : 146,075.40 = 52,983.60 : x
  2. Step 2: Convert to fraction form
    97,450.80/146,075.40 = 52,983.60/x
  3. Step 3: Cross multiply
    97,450.80x = 146,075.40 × 52,983.60
  4. Step 4: Simplify right side
    97,450.80x = 7,739,600,563.44
  5. Step 5: Solve for x
    x = 7,739,600,563.44/97,450.80
  6. Step 6: Final answer
    x = 79,420.60

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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.