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Finding the Fourth Proportional to 295,188.75, 442,858.01 and 84,826.89

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Solution

The fourth proportional to 295,188.75, 442,858.01 and 84,826.89 is: 127,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,188.75 : 442,858.01 = 84,826.89 : x
  2. Step 2: Convert to fraction form
    295,188.75/442,858.01 = 84,826.89/x
  3. Step 3: Cross multiply
    295,188.75x = 442,858.01 × 84,826.89
  4. Step 4: Simplify right side
    295,188.75x = 37,566,267,275.75
  5. Step 5: Solve for x
    x = 37,566,267,275.75/295,188.75
  6. Step 6: Final answer
    x = 127,261.85

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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.