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Finding the Fourth Proportional to 132,880,368.60, 198,942,639.30 and 132,880,368.60

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Solution

The fourth proportional to 132,880,368.60, 198,942,639.30 and 132,880,368.60 is: 198,942,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,368.60 : 198,942,639.30 = 132,880,368.60 : x
  2. Step 2: Convert to fraction form
    132,880,368.60/198,942,639.30 = 132,880,368.60/x
  3. Step 3: Cross multiply
    132,880,368.60x = 198,942,639.30 × 132,880,368.60
  4. Step 4: Simplify right side
    132,880,368.60x = 26,435,571,240,440,848
  5. Step 5: Solve for x
    x = 26,435,571,240,440,848/132,880,368.60
  6. Step 6: Final answer
    x = 198,942,639.30

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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.