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Finding the Fourth Proportional to 163,741.68, 245,691.72 and 79,573.68

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Solution

The fourth proportional to 163,741.68, 245,691.72 and 79,573.68 is: 119,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,741.68 : 245,691.72 = 79,573.68 : x
  2. Step 2: Convert to fraction form
    163,741.68/245,691.72 = 79,573.68/x
  3. Step 3: Cross multiply
    163,741.68x = 245,691.72 × 79,573.68
  4. Step 4: Simplify right side
    163,741.68x = 19,550,594,305.93
  5. Step 5: Solve for x
    x = 19,550,594,305.93/163,741.68
  6. Step 6: Final answer
    x = 119,399.01

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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.