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Finding the Fourth Proportional to 82,948,145.60, 124,440,880.80 and 48,851,940.80

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Solution

The fourth proportional to 82,948,145.60, 124,440,880.80 and 48,851,940.80 is: 73,288,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948,145.60 : 124,440,880.80 = 48,851,940.80 : x
  2. Step 2: Convert to fraction form
    82,948,145.60/124,440,880.80 = 48,851,940.80/x
  3. Step 3: Cross multiply
    82,948,145.60x = 124,440,880.80 × 48,851,940.80
  4. Step 4: Simplify right side
    82,948,145.60x = 6,079,178,541,941,456
  5. Step 5: Solve for x
    x = 6,079,178,541,941,456/82,948,145.60
  6. Step 6: Final answer
    x = 73,288,902.34

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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.