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Finding the Fourth Proportional to 441,431.73, 662,153.67 and 125,888.67

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Solution

The fourth proportional to 441,431.73, 662,153.67 and 125,888.67 is: 188,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,431.73 : 662,153.67 = 125,888.67 : x
  2. Step 2: Convert to fraction form
    441,431.73/662,153.67 = 125,888.67/x
  3. Step 3: Cross multiply
    441,431.73x = 662,153.67 × 125,888.67
  4. Step 4: Simplify right side
    441,431.73x = 83,357,644,851.92
  5. Step 5: Solve for x
    x = 83,357,644,851.92/441,431.73
  6. Step 6: Final answer
    x = 188,834.74

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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.