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Finding the Fourth Proportional to 115,792.64, 159,743.04 and 88,887.68

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Solution

The fourth proportional to 115,792.64, 159,743.04 and 88,887.68 is: 122,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,792.64 : 159,743.04 = 88,887.68 : x
  2. Step 2: Convert to fraction form
    115,792.64/159,743.04 = 88,887.68/x
  3. Step 3: Cross multiply
    115,792.64x = 159,743.04 × 88,887.68
  4. Step 4: Simplify right side
    115,792.64x = 14,199,188,221.75
  5. Step 5: Solve for x
    x = 14,199,188,221.75/115,792.64
  6. Step 6: Final answer
    x = 122,626.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.