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Finding the Fourth Proportional to 183,339.29, 253,007.88 and 102,766.79

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Solution

The fourth proportional to 183,339.29, 253,007.88 and 102,766.79 is: 141,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,339.29 : 253,007.88 = 102,766.79 : x
  2. Step 2: Convert to fraction form
    183,339.29/253,007.88 = 102,766.79/x
  3. Step 3: Cross multiply
    183,339.29x = 253,007.88 × 102,766.79
  4. Step 4: Simplify right side
    183,339.29x = 26,000,807,141.10
  5. Step 5: Solve for x
    x = 26,000,807,141.10/183,339.29
  6. Step 6: Final answer
    x = 141,817.98

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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.