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Finding the Fourth Proportional to 119,330,180.70, 167,515,749.30 and 119,330,180.70

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Solution

The fourth proportional to 119,330,180.70, 167,515,749.30 and 119,330,180.70 is: 167,515,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,330,180.70 : 167,515,749.30 = 119,330,180.70 : x
  2. Step 2: Convert to fraction form
    119,330,180.70/167,515,749.30 = 119,330,180.70/x
  3. Step 3: Cross multiply
    119,330,180.70x = 167,515,749.30 × 119,330,180.70
  4. Step 4: Simplify right side
    119,330,180.70x = 19,989,684,634,064,900
  5. Step 5: Solve for x
    x = 19,989,684,634,064,900/119,330,180.70
  6. Step 6: Final answer
    x = 167,515,749.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.