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Finding the Fourth Proportional to 105,007.43, 157,447.80 and 41,837.29

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Solution

The fourth proportional to 105,007.43, 157,447.80 and 41,837.29 is: 62,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007.43 : 157,447.80 = 41,837.29 : x
  2. Step 2: Convert to fraction form
    105,007.43/157,447.80 = 41,837.29/x
  3. Step 3: Cross multiply
    105,007.43x = 157,447.80 × 41,837.29
  4. Step 4: Simplify right side
    105,007.43x = 6,587,189,268.46
  5. Step 5: Solve for x
    x = 6,587,189,268.46/105,007.43
  6. Step 6: Final answer
    x = 62,730.70

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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.