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Finding the Fourth Proportional to 158,339,912.60, 237,509,868.90 and 158,339,912.60

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Solution

The fourth proportional to 158,339,912.60, 237,509,868.90 and 158,339,912.60 is: 237,509,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,339,912.60 : 237,509,868.90 = 158,339,912.60 : x
  2. Step 2: Convert to fraction form
    158,339,912.60/237,509,868.90 = 158,339,912.60/x
  3. Step 3: Cross multiply
    158,339,912.60x = 237,509,868.90 × 158,339,912.60
  4. Step 4: Simplify right side
    158,339,912.60x = 37,607,291,883,263,456
  5. Step 5: Solve for x
    x = 37,607,291,883,263,456/158,339,912.60
  6. Step 6: Final answer
    x = 237,509,868.90

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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.