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Finding the Fourth Proportional to 159,583.68, 218,628.72 and 153,601.02

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Solution

The fourth proportional to 159,583.68, 218,628.72 and 153,601.02 is: 210,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,583.68 : 218,628.72 = 153,601.02 : x
  2. Step 2: Convert to fraction form
    159,583.68/218,628.72 = 153,601.02/x
  3. Step 3: Cross multiply
    159,583.68x = 218,628.72 × 153,601.02
  4. Step 4: Simplify right side
    159,583.68x = 33,581,594,393.29
  5. Step 5: Solve for x
    x = 33,581,594,393.29/159,583.68
  6. Step 6: Final answer
    x = 210,432.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.