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Finding the Fourth Proportional to 111,792.51, 167,639.55 and 59,189.70

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Solution

The fourth proportional to 111,792.51, 167,639.55 and 59,189.70 is: 88,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,792.51 : 167,639.55 = 59,189.70 : x
  2. Step 2: Convert to fraction form
    111,792.51/167,639.55 = 59,189.70/x
  3. Step 3: Cross multiply
    111,792.51x = 167,639.55 × 59,189.70
  4. Step 4: Simplify right side
    111,792.51x = 9,922,534,672.64
  5. Step 5: Solve for x
    x = 9,922,534,672.64/111,792.51
  6. Step 6: Final answer
    x = 88,758.49

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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.