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Finding the Fourth Proportional to 70,045,399.20, 105,068,098.80 and 44,599,216.80

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Solution

The fourth proportional to 70,045,399.20, 105,068,098.80 and 44,599,216.80 is: 66,898,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045,399.20 : 105,068,098.80 = 44,599,216.80 : x
  2. Step 2: Convert to fraction form
    70,045,399.20/105,068,098.80 = 44,599,216.80/x
  3. Step 3: Cross multiply
    70,045,399.20x = 105,068,098.80 × 44,599,216.80
  4. Step 4: Simplify right side
    70,045,399.20x = 4,685,954,917,145,019
  5. Step 5: Solve for x
    x = 4,685,954,917,145,019/70,045,399.20
  6. Step 6: Final answer
    x = 66,898,825.20

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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.