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Finding the Fourth Proportional to 111,742,677.20, 167,614,015.80 and 111,742,677.20

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Solution

The fourth proportional to 111,742,677.20, 167,614,015.80 and 111,742,677.20 is: 167,614,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742,677.20 : 167,614,015.80 = 111,742,677.20 : x
  2. Step 2: Convert to fraction form
    111,742,677.20/167,614,015.80 = 111,742,677.20/x
  3. Step 3: Cross multiply
    111,742,677.20x = 167,614,015.80 × 111,742,677.20
  4. Step 4: Simplify right side
    111,742,677.20x = 18,729,638,861,735,100
  5. Step 5: Solve for x
    x = 18,729,638,861,735,100/111,742,677.20
  6. Step 6: Final answer
    x = 167,614,015.80

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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.