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Finding the Fourth Proportional to 8,880,246.20, 12,444,941.80 and 8,880,246.20

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Solution

The fourth proportional to 8,880,246.20, 12,444,941.80 and 8,880,246.20 is: 12,444,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880,246.20 : 12,444,941.80 = 8,880,246.20 : x
  2. Step 2: Convert to fraction form
    8,880,246.20/12,444,941.80 = 8,880,246.20/x
  3. Step 3: Cross multiply
    8,880,246.20x = 12,444,941.80 × 8,880,246.20
  4. Step 4: Simplify right side
    8,880,246.20x = 110,514,147,128,671.16
  5. Step 5: Solve for x
    x = 110,514,147,128,671.16/8,880,246.20
  6. Step 6: Final answer
    x = 12,444,941.80

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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.