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Finding the Fourth Proportional to 548,151.88, 822,369.32 and 169,064.08

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Solution

The fourth proportional to 548,151.88, 822,369.32 and 169,064.08 is: 253,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,151.88 : 822,369.32 = 169,064.08 : x
  2. Step 2: Convert to fraction form
    548,151.88/822,369.32 = 169,064.08/x
  3. Step 3: Cross multiply
    548,151.88x = 822,369.32 × 169,064.08
  4. Step 4: Simplify right side
    548,151.88x = 139,033,112,506.03
  5. Step 5: Solve for x
    x = 139,033,112,506.03/548,151.88
  6. Step 6: Final answer
    x = 253,639.76

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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.