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Finding the Fourth Proportional to 295,700.10, 443,550.15 and 108,687.30

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Solution

The fourth proportional to 295,700.10, 443,550.15 and 108,687.30 is: 163,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,700.10 : 443,550.15 = 108,687.30 : x
  2. Step 2: Convert to fraction form
    295,700.10/443,550.15 = 108,687.30/x
  3. Step 3: Cross multiply
    295,700.10x = 443,550.15 × 108,687.30
  4. Step 4: Simplify right side
    295,700.10x = 48,208,268,218.10
  5. Step 5: Solve for x
    x = 48,208,268,218.10/295,700.10
  6. Step 6: Final answer
    x = 163,030.95

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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.