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Finding the Fourth Proportional to 239,237.73, 358,926.77 and 70,762.50

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Solution

The fourth proportional to 239,237.73, 358,926.77 and 70,762.50 is: 106,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,237.73 : 358,926.77 = 70,762.50 : x
  2. Step 2: Convert to fraction form
    239,237.73/358,926.77 = 70,762.50/x
  3. Step 3: Cross multiply
    239,237.73x = 358,926.77 × 70,762.50
  4. Step 4: Simplify right side
    239,237.73x = 25,398,555,739.03
  5. Step 5: Solve for x
    x = 25,398,555,739.03/239,237.73
  6. Step 6: Final answer
    x = 106,164.51

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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.