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Finding the Fourth Proportional to 267,950.87, 369,762.63 and 151,661.85

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Solution

The fourth proportional to 267,950.87, 369,762.63 and 151,661.85 is: 209,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,950.87 : 369,762.63 = 151,661.85 : x
  2. Step 2: Convert to fraction form
    267,950.87/369,762.63 = 151,661.85/x
  3. Step 3: Cross multiply
    267,950.87x = 369,762.63 × 151,661.85
  4. Step 4: Simplify right side
    267,950.87x = 56,078,884,526.67
  5. Step 5: Solve for x
    x = 56,078,884,526.67/267,950.87
  6. Step 6: Final answer
    x = 209,287.94

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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.