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Finding the Fourth Proportional to 82,948,750.80, 124,517,604.60 and 48,889,287.60

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Solution

The fourth proportional to 82,948,750.80, 124,517,604.60 and 48,889,287.60 is: 73,389,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948,750.80 : 124,517,604.60 = 48,889,287.60 : x
  2. Step 2: Convert to fraction form
    82,948,750.80/124,517,604.60 = 48,889,287.60/x
  3. Step 3: Cross multiply
    82,948,750.80x = 124,517,604.60 × 48,889,287.60
  4. Step 4: Simplify right side
    82,948,750.80x = 6,087,576,982,552,483
  5. Step 5: Solve for x
    x = 6,087,576,982,552,483/82,948,750.80
  6. Step 6: Final answer
    x = 73,389,616.16

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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.