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Finding the Fourth Proportional to 295,473.23, 443,145.03 and 85,065.47

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Solution

The fourth proportional to 295,473.23, 443,145.03 and 85,065.47 is: 127,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,473.23 : 443,145.03 = 85,065.47 : x
  2. Step 2: Convert to fraction form
    295,473.23/443,145.03 = 85,065.47/x
  3. Step 3: Cross multiply
    295,473.23x = 443,145.03 × 85,065.47
  4. Step 4: Simplify right side
    295,473.23x = 37,696,340,255.11
  5. Step 5: Solve for x
    x = 37,696,340,255.11/295,473.23
  6. Step 6: Final answer
    x = 127,579.55

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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.