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Finding the Fourth Proportional to 98,906.53, 148,315.44 and 58,944.37

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Solution

The fourth proportional to 98,906.53, 148,315.44 and 58,944.37 is: 88,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906.53 : 148,315.44 = 58,944.37 : x
  2. Step 2: Convert to fraction form
    98,906.53/148,315.44 = 58,944.37/x
  3. Step 3: Cross multiply
    98,906.53x = 148,315.44 × 58,944.37
  4. Step 4: Simplify right side
    98,906.53x = 8,742,360,172.07
  5. Step 5: Solve for x
    x = 8,742,360,172.07/98,906.53
  6. Step 6: Final answer
    x = 88,390.12

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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.