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Finding the Fourth Proportional to 67,214,916.80, 100,570,432.80 and 44,540,100.80

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Solution

The fourth proportional to 67,214,916.80, 100,570,432.80 and 44,540,100.80 is: 66,643,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214,916.80 : 100,570,432.80 = 44,540,100.80 : x
  2. Step 2: Convert to fraction form
    67,214,916.80/100,570,432.80 = 44,540,100.80/x
  3. Step 3: Cross multiply
    67,214,916.80x = 100,570,432.80 × 44,540,100.80
  4. Step 4: Simplify right side
    67,214,916.80x = 4,479,417,214,411,626
  5. Step 5: Solve for x
    x = 4,479,417,214,411,626/67,214,916.80
  6. Step 6: Final answer
    x = 66,643,201.06

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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.