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Finding the Fourth Proportional to 69,161.40, 103,742.10 and 62,600.40

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Solution

The fourth proportional to 69,161.40, 103,742.10 and 62,600.40 is: 93,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,161.40 : 103,742.10 = 62,600.40 : x
  2. Step 2: Convert to fraction form
    69,161.40/103,742.10 = 62,600.40/x
  3. Step 3: Cross multiply
    69,161.40x = 103,742.10 × 62,600.40
  4. Step 4: Simplify right side
    69,161.40x = 6,494,296,956.84
  5. Step 5: Solve for x
    x = 6,494,296,956.84/69,161.40
  6. Step 6: Final answer
    x = 93,900.60

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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.