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Finding the Fourth Proportional to 548,071.16, 822,188.74 and 168,960.36

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Solution

The fourth proportional to 548,071.16, 822,188.74 and 168,960.36 is: 253,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,071.16 : 822,188.74 = 168,960.36 : x
  2. Step 2: Convert to fraction form
    548,071.16/822,188.74 = 168,960.36/x
  3. Step 3: Cross multiply
    548,071.16x = 822,188.74 × 168,960.36
  4. Step 4: Simplify right side
    548,071.16x = 138,917,305,498.35
  5. Step 5: Solve for x
    x = 138,917,305,498.35/548,071.16
  6. Step 6: Final answer
    x = 253,465.82

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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.