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Finding the Fourth Proportional to 10,790,680.60, 16,186,020.90 and 10,790,680.60

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Solution

The fourth proportional to 10,790,680.60, 16,186,020.90 and 10,790,680.60 is: 16,186,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,680.60 : 16,186,020.90 = 10,790,680.60 : x
  2. Step 2: Convert to fraction form
    10,790,680.60/16,186,020.90 = 10,790,680.60/x
  3. Step 3: Cross multiply
    10,790,680.60x = 16,186,020.90 × 10,790,680.60
  4. Step 4: Simplify right side
    10,790,680.60x = 174,658,181,716,824.53
  5. Step 5: Solve for x
    x = 174,658,181,716,824.53/10,790,680.60
  6. Step 6: Final answer
    x = 16,186,020.90

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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.