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Finding the Fourth Proportional to 111,742,684.70, 167,614,027.05 and 111,742,684.70

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Solution

The fourth proportional to 111,742,684.70, 167,614,027.05 and 111,742,684.70 is: 167,614,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742,684.70 : 167,614,027.05 = 111,742,684.70 : x
  2. Step 2: Convert to fraction form
    111,742,684.70/167,614,027.05 = 111,742,684.70/x
  3. Step 3: Cross multiply
    111,742,684.70x = 167,614,027.05 × 111,742,684.70
  4. Step 4: Simplify right side
    111,742,684.70x = 18,729,641,375,945,424
  5. Step 5: Solve for x
    x = 18,729,641,375,945,424/111,742,684.70
  6. Step 6: Final answer
    x = 167,614,027.05

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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.