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Finding the Fourth Proportional to 42,160, 58,173.79 and 25,171.13

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Solution

The fourth proportional to 42,160, 58,173.79 and 25,171.13 is: 34,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160 : 58,173.79 = 25,171.13 : x
  2. Step 2: Convert to fraction form
    42,160/58,173.79 = 25,171.13/x
  3. Step 3: Cross multiply
    42,160x = 58,173.79 × 25,171.13
  4. Step 4: Simplify right side
    42,160x = 1,464,300,030.68
  5. Step 5: Solve for x
    x = 1,464,300,030.68/42,160
  6. Step 6: Final answer
    x = 34,731.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.