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Finding the Fourth Proportional to 163,562.27, 245,343.42 and 51,243.44

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Solution

The fourth proportional to 163,562.27, 245,343.42 and 51,243.44 is: 76,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,562.27 : 245,343.42 = 51,243.44 : x
  2. Step 2: Convert to fraction form
    163,562.27/245,343.42 = 51,243.44/x
  3. Step 3: Cross multiply
    163,562.27x = 245,343.42 × 51,243.44
  4. Step 4: Simplify right side
    163,562.27x = 12,572,239,595.45
  5. Step 5: Solve for x
    x = 12,572,239,595.45/163,562.27
  6. Step 6: Final answer
    x = 76,865.16

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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.