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Finding the Fourth Proportional to 70,777,375.98, 97,702,881.39 and 47,585,946.30

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Solution

The fourth proportional to 70,777,375.98, 97,702,881.39 and 47,585,946.30 is: 65,688,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777,375.98 : 97,702,881.39 = 47,585,946.30 : x
  2. Step 2: Convert to fraction form
    70,777,375.98/97,702,881.39 = 47,585,946.30/x
  3. Step 3: Cross multiply
    70,777,375.98x = 97,702,881.39 × 47,585,946.30
  4. Step 4: Simplify right side
    70,777,375.98x = 4,649,284,067,179,809
  5. Step 5: Solve for x
    x = 4,649,284,067,179,809/70,777,375.98
  6. Step 6: Final answer
    x = 65,688,844.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.