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Finding the Fourth Proportional to 115,526.74, 173,314.40 and 65,629.92

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Solution

The fourth proportional to 115,526.74, 173,314.40 and 65,629.92 is: 98,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,526.74 : 173,314.40 = 65,629.92 : x
  2. Step 2: Convert to fraction form
    115,526.74/173,314.40 = 65,629.92/x
  3. Step 3: Cross multiply
    115,526.74x = 173,314.40 × 65,629.92
  4. Step 4: Simplify right side
    115,526.74x = 11,374,610,206.85
  5. Step 5: Solve for x
    x = 11,374,610,206.85/115,526.74
  6. Step 6: Final answer
    x = 98,458.68

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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.