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Finding the Fourth Proportional to 262,105.58, 392,491.32 and 173,225.90

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Solution

The fourth proportional to 262,105.58, 392,491.32 and 173,225.90 is: 259,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,105.58 : 392,491.32 = 173,225.90 : x
  2. Step 2: Convert to fraction form
    262,105.58/392,491.32 = 173,225.90/x
  3. Step 3: Cross multiply
    262,105.58x = 392,491.32 × 173,225.90
  4. Step 4: Simplify right side
    262,105.58x = 67,989,662,149.19
  5. Step 5: Solve for x
    x = 67,989,662,149.19/262,105.58
  6. Step 6: Final answer
    x = 259,398.00

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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.