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Finding the Fourth Proportional to 163,801.71, 245,623.59 and 57,183.03

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Solution

The fourth proportional to 163,801.71, 245,623.59 and 57,183.03 is: 85,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,801.71 : 245,623.59 = 57,183.03 : x
  2. Step 2: Convert to fraction form
    163,801.71/245,623.59 = 57,183.03/x
  3. Step 3: Cross multiply
    163,801.71x = 245,623.59 × 57,183.03
  4. Step 4: Simplify right side
    163,801.71x = 14,045,501,115.68
  5. Step 5: Solve for x
    x = 14,045,501,115.68/163,801.71
  6. Step 6: Final answer
    x = 85,746.97

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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.