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Finding the Fourth Proportional to 183,488.94, 253,208.97 and 111,842.82

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Solution

The fourth proportional to 183,488.94, 253,208.97 and 111,842.82 is: 154,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,488.94 : 253,208.97 = 111,842.82 : x
  2. Step 2: Convert to fraction form
    183,488.94/253,208.97 = 111,842.82/x
  3. Step 3: Cross multiply
    183,488.94x = 253,208.97 × 111,842.82
  4. Step 4: Simplify right side
    183,488.94x = 28,319,605,254.10
  5. Step 5: Solve for x
    x = 28,319,605,254.10/183,488.94
  6. Step 6: Final answer
    x = 154,339.58

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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.