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Finding the Fourth Proportional to 364,081.79, 545,693.64 and 164,168.12

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Solution

The fourth proportional to 364,081.79, 545,693.64 and 164,168.12 is: 246,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,081.79 : 545,693.64 = 164,168.12 : x
  2. Step 2: Convert to fraction form
    364,081.79/545,693.64 = 164,168.12/x
  3. Step 3: Cross multiply
    364,081.79x = 545,693.64 × 164,168.12
  4. Step 4: Simplify right side
    364,081.79x = 89,585,498,974.76
  5. Step 5: Solve for x
    x = 89,585,498,974.76/364,081.79
  6. Step 6: Final answer
    x = 246,058.72

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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.