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Finding the Fourth Proportional to 99,568.93, 149,291.97 and 48,903.52

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Solution

The fourth proportional to 99,568.93, 149,291.97 and 48,903.52 is: 73,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,568.93 : 149,291.97 = 48,903.52 : x
  2. Step 2: Convert to fraction form
    99,568.93/149,291.97 = 48,903.52/x
  3. Step 3: Cross multiply
    99,568.93x = 149,291.97 × 48,903.52
  4. Step 4: Simplify right side
    99,568.93x = 7,300,902,840.73
  5. Step 5: Solve for x
    x = 7,300,902,840.73/99,568.93
  6. Step 6: Final answer
    x = 73,325.11

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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.