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Finding the Fourth Proportional to 158,970.69, 238,393.44 and 57,744.81

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Solution

The fourth proportional to 158,970.69, 238,393.44 and 57,744.81 is: 86,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,970.69 : 238,393.44 = 57,744.81 : x
  2. Step 2: Convert to fraction form
    158,970.69/238,393.44 = 57,744.81/x
  3. Step 3: Cross multiply
    158,970.69x = 238,393.44 × 57,744.81
  4. Step 4: Simplify right side
    158,970.69x = 13,765,983,898.05
  5. Step 5: Solve for x
    x = 13,765,983,898.05/158,970.69
  6. Step 6: Final answer
    x = 86,594.48

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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.