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Finding the Fourth Proportional to 163,951.33, 245,926.59 and 51,640.96

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Solution

The fourth proportional to 163,951.33, 245,926.59 and 51,640.96 is: 77,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,951.33 : 245,926.59 = 51,640.96 : x
  2. Step 2: Convert to fraction form
    163,951.33/245,926.59 = 51,640.96/x
  3. Step 3: Cross multiply
    163,951.33x = 245,926.59 × 51,640.96
  4. Step 4: Simplify right side
    163,951.33x = 12,699,885,197.13
  5. Step 5: Solve for x
    x = 12,699,885,197.13/163,951.33
  6. Step 6: Final answer
    x = 77,461.31

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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.