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Finding the Fourth Proportional to 57,649,274.40, 86,347,940.40 and 44,768,719.20

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Solution

The fourth proportional to 57,649,274.40, 86,347,940.40 and 44,768,719.20 is: 67,055,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649,274.40 : 86,347,940.40 = 44,768,719.20 : x
  2. Step 2: Convert to fraction form
    57,649,274.40/86,347,940.40 = 44,768,719.20/x
  3. Step 3: Cross multiply
    57,649,274.40x = 86,347,940.40 × 44,768,719.20
  4. Step 4: Simplify right side
    57,649,274.40x = 3,865,686,697,265,936
  5. Step 5: Solve for x
    x = 3,865,686,697,265,936/57,649,274.40
  6. Step 6: Final answer
    x = 67,055,253.30

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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.