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Finding the Fourth Proportional to 116,649,996.90, 174,974,995.35 and 73,378,889.70

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Solution

The fourth proportional to 116,649,996.90, 174,974,995.35 and 73,378,889.70 is: 110,068,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,649,996.90 : 174,974,995.35 = 73,378,889.70 : x
  2. Step 2: Convert to fraction form
    116,649,996.90/174,974,995.35 = 73,378,889.70/x
  3. Step 3: Cross multiply
    116,649,996.90x = 174,974,995.35 × 73,378,889.70
  4. Step 4: Simplify right side
    116,649,996.90x = 12,839,470,884,045,662
  5. Step 5: Solve for x
    x = 12,839,470,884,045,662/116,649,996.90
  6. Step 6: Final answer
    x = 110,068,334.55

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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.