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Finding the Fourth Proportional to 40,968,322.88, 61,452,504.80 and 10,676,109.12

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Solution

The fourth proportional to 40,968,322.88, 61,452,504.80 and 10,676,109.12 is: 16,014,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,968,322.88 : 61,452,504.80 = 10,676,109.12 : x
  2. Step 2: Convert to fraction form
    40,968,322.88/61,452,504.80 = 10,676,109.12/x
  3. Step 3: Cross multiply
    40,968,322.88x = 61,452,504.80 × 10,676,109.12
  4. Step 4: Simplify right side
    40,968,322.88x = 656,073,646,942,123.75
  5. Step 5: Solve for x
    x = 656,073,646,942,123.75/40,968,322.88
  6. Step 6: Final answer
    x = 16,014,169.02

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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.