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Finding the Fourth Proportional to 163,908.10, 245,727.15 and 73,956.70

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Solution

The fourth proportional to 163,908.10, 245,727.15 and 73,956.70 is: 110,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,908.10 : 245,727.15 = 73,956.70 : x
  2. Step 2: Convert to fraction form
    163,908.10/245,727.15 = 73,956.70/x
  3. Step 3: Cross multiply
    163,908.10x = 245,727.15 × 73,956.70
  4. Step 4: Simplify right side
    163,908.10x = 18,173,169,114.41
  5. Step 5: Solve for x
    x = 18,173,169,114.41/163,908.10
  6. Step 6: Final answer
    x = 110,874.14

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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.