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Finding the Fourth Proportional to 12,089,919.30, 16,948,281.90 and 12,089,919.30

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Solution

The fourth proportional to 12,089,919.30, 16,948,281.90 and 12,089,919.30 is: 16,948,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,919.30 : 16,948,281.90 = 12,089,919.30 : x
  2. Step 2: Convert to fraction form
    12,089,919.30/16,948,281.90 = 12,089,919.30/x
  3. Step 3: Cross multiply
    12,089,919.30x = 16,948,281.90 × 12,089,919.30
  4. Step 4: Simplify right side
    12,089,919.30x = 204,903,360,444,650.66
  5. Step 5: Solve for x
    x = 204,903,360,444,650.66/12,089,919.30
  6. Step 6: Final answer
    x = 16,948,281.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.