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Finding the Fourth Proportional to 70,879.80, 106,334.10 and 24,137.40

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Solution

The fourth proportional to 70,879.80, 106,334.10 and 24,137.40 is: 36,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,879.80 : 106,334.10 = 24,137.40 : x
  2. Step 2: Convert to fraction form
    70,879.80/106,334.10 = 24,137.40/x
  3. Step 3: Cross multiply
    70,879.80x = 106,334.10 × 24,137.40
  4. Step 4: Simplify right side
    70,879.80x = 2,566,628,705.34
  5. Step 5: Solve for x
    x = 2,566,628,705.34/70,879.80
  6. Step 6: Final answer
    x = 36,211.00

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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.