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Finding the Fourth Proportional to 99,993, 150,030.94 and 43,804.10

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Solution

The fourth proportional to 99,993, 150,030.94 and 43,804.10 is: 65,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,993 : 150,030.94 = 43,804.10 : x
  2. Step 2: Convert to fraction form
    99,993/150,030.94 = 43,804.10/x
  3. Step 3: Cross multiply
    99,993x = 150,030.94 × 43,804.10
  4. Step 4: Simplify right side
    99,993x = 6,571,970,298.85
  5. Step 5: Solve for x
    x = 6,571,970,298.85/99,993
  6. Step 6: Final answer
    x = 65,724.30

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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.