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Finding the Fourth Proportional to 118,993,479.20, 178,154,295.60 and 118,993,479.20

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Solution

The fourth proportional to 118,993,479.20, 178,154,295.60 and 118,993,479.20 is: 178,154,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,993,479.20 : 178,154,295.60 = 118,993,479.20 : x
  2. Step 2: Convert to fraction form
    118,993,479.20/178,154,295.60 = 118,993,479.20/x
  3. Step 3: Cross multiply
    118,993,479.20x = 178,154,295.60 × 118,993,479.20
  4. Step 4: Simplify right side
    118,993,479.20x = 21,199,199,467,869,252
  5. Step 5: Solve for x
    x = 21,199,199,467,869,252/118,993,479.20
  6. Step 6: Final answer
    x = 178,154,295.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.