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Finding the Fourth Proportional to 183,755.61, 253,565.09 and 103,164.66

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Solution

The fourth proportional to 183,755.61, 253,565.09 and 103,164.66 is: 142,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,755.61 : 253,565.09 = 103,164.66 : x
  2. Step 2: Convert to fraction form
    183,755.61/253,565.09 = 103,164.66/x
  3. Step 3: Cross multiply
    183,755.61x = 253,565.09 × 103,164.66
  4. Step 4: Simplify right side
    183,755.61x = 26,158,955,217.89
  5. Step 5: Solve for x
    x = 26,158,955,217.89/183,755.61
  6. Step 6: Final answer
    x = 142,357.32

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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.