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Finding the Fourth Proportional to 295,739.71, 443,646.41 and 115,801.90

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Solution

The fourth proportional to 295,739.71, 443,646.41 and 115,801.90 is: 173,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,739.71 : 443,646.41 = 115,801.90 : x
  2. Step 2: Convert to fraction form
    295,739.71/443,646.41 = 115,801.90/x
  3. Step 3: Cross multiply
    295,739.71x = 443,646.41 × 115,801.90
  4. Step 4: Simplify right side
    295,739.71x = 51,375,097,206.18
  5. Step 5: Solve for x
    x = 51,375,097,206.18/295,739.71
  6. Step 6: Final answer
    x = 173,717.28

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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.