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Finding the Fourth Proportional to 158,357.51, 237,368.59 and 74,046.84

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Solution

The fourth proportional to 158,357.51, 237,368.59 and 74,046.84 is: 110,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,357.51 : 237,368.59 = 74,046.84 : x
  2. Step 2: Convert to fraction form
    158,357.51/237,368.59 = 74,046.84/x
  3. Step 3: Cross multiply
    158,357.51x = 237,368.59 × 74,046.84
  4. Step 4: Simplify right side
    158,357.51x = 17,576,392,447.68
  5. Step 5: Solve for x
    x = 17,576,392,447.68/158,357.51
  6. Step 6: Final answer
    x = 110,991.85

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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.