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Finding the Fourth Proportional to 116,532,692.70, 162,843,438.90 and 116,532,692.70

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Solution

The fourth proportional to 116,532,692.70, 162,843,438.90 and 116,532,692.70 is: 162,843,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,532,692.70 : 162,843,438.90 = 116,532,692.70 : x
  2. Step 2: Convert to fraction form
    116,532,692.70/162,843,438.90 = 116,532,692.70/x
  3. Step 3: Cross multiply
    116,532,692.70x = 162,843,438.90 × 116,532,692.70
  4. Step 4: Simplify right side
    116,532,692.70x = 18,976,584,423,544,928
  5. Step 5: Solve for x
    x = 18,976,584,423,544,928/116,532,692.70
  6. Step 6: Final answer
    x = 162,843,438.90

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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.