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Finding the Fourth Proportional to 295,597.84, 443,295.96 and 85,179.28

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Solution

The fourth proportional to 295,597.84, 443,295.96 and 85,179.28 is: 127,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,597.84 : 443,295.96 = 85,179.28 : x
  2. Step 2: Convert to fraction form
    295,597.84/443,295.96 = 85,179.28/x
  3. Step 3: Cross multiply
    295,597.84x = 443,295.96 × 85,179.28
  4. Step 4: Simplify right side
    295,597.84x = 37,759,630,699.71
  5. Step 5: Solve for x
    x = 37,759,630,699.71/295,597.84
  6. Step 6: Final answer
    x = 127,739.87

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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.