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Finding the Fourth Proportional to 155,296.67, 232,950.21 and 42,967.49

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Solution

The fourth proportional to 155,296.67, 232,950.21 and 42,967.49 is: 64,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,296.67 : 232,950.21 = 42,967.49 : x
  2. Step 2: Convert to fraction form
    155,296.67/232,950.21 = 42,967.49/x
  3. Step 3: Cross multiply
    155,296.67x = 232,950.21 × 42,967.49
  4. Step 4: Simplify right side
    155,296.67x = 10,009,284,653.92
  5. Step 5: Solve for x
    x = 10,009,284,653.92/155,296.67
  6. Step 6: Final answer
    x = 64,452.67

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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.