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Finding the Fourth Proportional to 162,559.17, 243,846.92 and 51,759.81

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Solution

The fourth proportional to 162,559.17, 243,846.92 and 51,759.81 is: 77,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,559.17 : 243,846.92 = 51,759.81 : x
  2. Step 2: Convert to fraction form
    162,559.17/243,846.92 = 51,759.81/x
  3. Step 3: Cross multiply
    162,559.17x = 243,846.92 × 51,759.81
  4. Step 4: Simplify right side
    162,559.17x = 12,621,470,248.29
  5. Step 5: Solve for x
    x = 12,621,470,248.29/162,559.17
  6. Step 6: Final answer
    x = 77,642.31

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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.