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Finding the Fourth Proportional to 295,156.40, 442,675.56 and 84,745.04

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Solution

The fourth proportional to 295,156.40, 442,675.56 and 84,745.04 is: 127,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,156.40 : 442,675.56 = 84,745.04 : x
  2. Step 2: Convert to fraction form
    295,156.40/442,675.56 = 84,745.04/x
  3. Step 3: Cross multiply
    295,156.40x = 442,675.56 × 84,745.04
  4. Step 4: Simplify right side
    295,156.40x = 37,514,558,039.22
  5. Step 5: Solve for x
    x = 37,514,558,039.22/295,156.40
  6. Step 6: Final answer
    x = 127,100.61

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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.