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Finding the Fourth Proportional to 371,589.51, 557,274.92 and 105,373.29

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Solution

The fourth proportional to 371,589.51, 557,274.92 and 105,373.29 is: 158,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,589.51 : 557,274.92 = 105,373.29 : x
  2. Step 2: Convert to fraction form
    371,589.51/557,274.92 = 105,373.29/x
  3. Step 3: Cross multiply
    371,589.51x = 557,274.92 × 105,373.29
  4. Step 4: Simplify right side
    371,589.51x = 58,721,891,754.89
  5. Step 5: Solve for x
    x = 58,721,891,754.89/371,589.51
  6. Step 6: Final answer
    x = 158,028.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.