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Finding the Fourth Proportional to 183,851.69, 253,687.70 and 103,263.77

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Solution

The fourth proportional to 183,851.69, 253,687.70 and 103,263.77 is: 142,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,851.69 : 253,687.70 = 103,263.77 : x
  2. Step 2: Convert to fraction form
    183,851.69/253,687.70 = 103,263.77/x
  3. Step 3: Cross multiply
    183,851.69x = 253,687.70 × 103,263.77
  4. Step 4: Simplify right side
    183,851.69x = 26,196,749,197.01
  5. Step 5: Solve for x
    x = 26,196,749,197.01/183,851.69
  6. Step 6: Final answer
    x = 142,488.49

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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.