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Finding the Fourth Proportional to 125,364.51, 173,001.96 and 68,003.67

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Solution

The fourth proportional to 125,364.51, 173,001.96 and 68,003.67 is: 93,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,364.51 : 173,001.96 = 68,003.67 : x
  2. Step 2: Convert to fraction form
    125,364.51/173,001.96 = 68,003.67/x
  3. Step 3: Cross multiply
    125,364.51x = 173,001.96 × 68,003.67
  4. Step 4: Simplify right side
    125,364.51x = 11,764,768,197.19
  5. Step 5: Solve for x
    x = 11,764,768,197.19/125,364.51
  6. Step 6: Final answer
    x = 93,844.49

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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.