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Finding the Fourth Proportional to 107,064.60, 160,596.90 and 102,982.20

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Solution

The fourth proportional to 107,064.60, 160,596.90 and 102,982.20 is: 154,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,064.60 : 160,596.90 = 102,982.20 : x
  2. Step 2: Convert to fraction form
    107,064.60/160,596.90 = 102,982.20/x
  3. Step 3: Cross multiply
    107,064.60x = 160,596.90 × 102,982.20
  4. Step 4: Simplify right side
    107,064.60x = 16,538,622,075.18
  5. Step 5: Solve for x
    x = 16,538,622,075.18/107,064.60
  6. Step 6: Final answer
    x = 154,473.30

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1.5x scale

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.