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Finding the Fourth Proportional to 183,876.69, 253,726.62 and 107,377.86

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Solution

The fourth proportional to 183,876.69, 253,726.62 and 107,377.86 is: 148,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,876.69 : 253,726.62 = 107,377.86 : x
  2. Step 2: Convert to fraction form
    183,876.69/253,726.62 = 107,377.86/x
  3. Step 3: Cross multiply
    183,876.69x = 253,726.62 × 107,377.86
  4. Step 4: Simplify right side
    183,876.69x = 27,244,621,480.63
  5. Step 5: Solve for x
    x = 27,244,621,480.63/183,876.69
  6. Step 6: Final answer
    x = 148,167.89

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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.