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Finding the Fourth Proportional to 218,502.87, 301,533.33 and 123,009.74

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Solution

The fourth proportional to 218,502.87, 301,533.33 and 123,009.74 is: 169,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,502.87 : 301,533.33 = 123,009.74 : x
  2. Step 2: Convert to fraction form
    218,502.87/301,533.33 = 123,009.74/x
  3. Step 3: Cross multiply
    218,502.87x = 301,533.33 × 123,009.74
  4. Step 4: Simplify right side
    218,502.87x = 37,091,536,609.00
  5. Step 5: Solve for x
    x = 37,091,536,609.00/218,502.87
  6. Step 6: Final answer
    x = 169,753.09

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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.