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Finding the Fourth Proportional to 295,122.80, 442,866.45 and 117,611.30

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Solution

The fourth proportional to 295,122.80, 442,866.45 and 117,611.30 is: 176,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,122.80 : 442,866.45 = 117,611.30 : x
  2. Step 2: Convert to fraction form
    295,122.80/442,866.45 = 117,611.30/x
  3. Step 3: Cross multiply
    295,122.80x = 442,866.45 × 117,611.30
  4. Step 4: Simplify right side
    295,122.80x = 52,086,098,910.89
  5. Step 5: Solve for x
    x = 52,086,098,910.89/295,122.80
  6. Step 6: Final answer
    x = 176,489.58

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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.