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Finding the Fourth Proportional to 70,819.40, 106,233.90 and 24,075.80

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Solution

The fourth proportional to 70,819.40, 106,233.90 and 24,075.80 is: 36,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819.40 : 106,233.90 = 24,075.80 : x
  2. Step 2: Convert to fraction form
    70,819.40/106,233.90 = 24,075.80/x
  3. Step 3: Cross multiply
    70,819.40x = 106,233.90 × 24,075.80
  4. Step 4: Simplify right side
    70,819.40x = 2,557,666,129.62
  5. Step 5: Solve for x
    x = 2,557,666,129.62/70,819.40
  6. Step 6: Final answer
    x = 36,115.33

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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.