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Finding the Fourth Proportional to 101,613.63, 152,435.30 and 48,979.83

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Solution

The fourth proportional to 101,613.63, 152,435.30 and 48,979.83 is: 73,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,613.63 : 152,435.30 = 48,979.83 : x
  2. Step 2: Convert to fraction form
    101,613.63/152,435.30 = 48,979.83/x
  3. Step 3: Cross multiply
    101,613.63x = 152,435.30 × 48,979.83
  4. Step 4: Simplify right side
    101,613.63x = 7,466,254,835.10
  5. Step 5: Solve for x
    x = 7,466,254,835.10/101,613.63
  6. Step 6: Final answer
    x = 73,476.90

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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.