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Finding the Fourth Proportional to 79,716,000.40, 119,361,424.20 and 79,716,000.40

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Solution

The fourth proportional to 79,716,000.40, 119,361,424.20 and 79,716,000.40 is: 119,361,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716,000.40 : 119,361,424.20 = 79,716,000.40 : x
  2. Step 2: Convert to fraction form
    79,716,000.40/119,361,424.20 = 79,716,000.40/x
  3. Step 3: Cross multiply
    79,716,000.40x = 119,361,424.20 × 79,716,000.40
  4. Step 4: Simplify right side
    79,716,000.40x = 9,515,015,339,271,770
  5. Step 5: Solve for x
    x = 9,515,015,339,271,770/79,716,000.40
  6. Step 6: Final answer
    x = 119,361,424.20

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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.