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Finding the Fourth Proportional to 62,419,982.80, 93,517,999.80 and 53,462,030.80

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Solution

The fourth proportional to 62,419,982.80, 93,517,999.80 and 53,462,030.80 is: 80,097,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419,982.80 : 93,517,999.80 = 53,462,030.80 : x
  2. Step 2: Convert to fraction form
    62,419,982.80/93,517,999.80 = 53,462,030.80/x
  3. Step 3: Cross multiply
    62,419,982.80x = 93,517,999.80 × 53,462,030.80
  4. Step 4: Simplify right side
    62,419,982.80x = 4,999,662,185,661,993
  5. Step 5: Solve for x
    x = 4,999,662,185,661,993/62,419,982.80
  6. Step 6: Final answer
    x = 80,097,141.35

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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.