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Finding the Fourth Proportional to 163,978.26, 245,971.23 and 58,794.90

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Solution

The fourth proportional to 163,978.26, 245,971.23 and 58,794.90 is: 88,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,978.26 : 245,971.23 = 58,794.90 : x
  2. Step 2: Convert to fraction form
    163,978.26/245,971.23 = 58,794.90/x
  3. Step 3: Cross multiply
    163,978.26x = 245,971.23 × 58,794.90
  4. Step 4: Simplify right side
    163,978.26x = 14,461,853,870.73
  5. Step 5: Solve for x
    x = 14,461,853,870.73/163,978.26
  6. Step 6: Final answer
    x = 88,193.73

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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.