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Finding the Fourth Proportional to 54,302,829.80, 81,454,244.70 and 48,350,690.60

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Solution

The fourth proportional to 54,302,829.80, 81,454,244.70 and 48,350,690.60 is: 72,526,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,302,829.80 : 81,454,244.70 = 48,350,690.60 : x
  2. Step 2: Convert to fraction form
    54,302,829.80/81,454,244.70 = 48,350,690.60/x
  3. Step 3: Cross multiply
    54,302,829.80x = 81,454,244.70 × 48,350,690.60
  4. Step 4: Simplify right side
    54,302,829.80x = 3,938,368,983,546,390
  5. Step 5: Solve for x
    x = 3,938,368,983,546,390/54,302,829.80
  6. Step 6: Final answer
    x = 72,526,035.90

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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.