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Finding the Fourth Proportional to 185,559.52, 255,903.06 and 156,939.19

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Solution

The fourth proportional to 185,559.52, 255,903.06 and 156,939.19 is: 216,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,559.52 : 255,903.06 = 156,939.19 : x
  2. Step 2: Convert to fraction form
    185,559.52/255,903.06 = 156,939.19/x
  3. Step 3: Cross multiply
    185,559.52x = 255,903.06 × 156,939.19
  4. Step 4: Simplify right side
    185,559.52x = 40,161,218,954.92
  5. Step 5: Solve for x
    x = 40,161,218,954.92/185,559.52
  6. Step 6: Final answer
    x = 216,433.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.