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Finding the Fourth Proportional to 70,263.42, 105,408.09 and 22,244.10

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Solution

The fourth proportional to 70,263.42, 105,408.09 and 22,244.10 is: 33,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.42 : 105,408.09 = 22,244.10 : x
  2. Step 2: Convert to fraction form
    70,263.42/105,408.09 = 22,244.10/x
  3. Step 3: Cross multiply
    70,263.42x = 105,408.09 × 22,244.10
  4. Step 4: Simplify right side
    70,263.42x = 2,344,708,094.77
  5. Step 5: Solve for x
    x = 2,344,708,094.77/70,263.42
  6. Step 6: Final answer
    x = 33,370.25

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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.