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Finding the Fourth Proportional to 563,416.99, 845,127 and 164,067.55

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Solution

The fourth proportional to 563,416.99, 845,127 and 164,067.55 is: 246,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,416.99 : 845,127 = 164,067.55 : x
  2. Step 2: Convert to fraction form
    563,416.99/845,127 = 164,067.55/x
  3. Step 3: Cross multiply
    563,416.99x = 845,127 × 164,067.55
  4. Step 4: Simplify right side
    563,416.99x = 138,657,914,216.03
  5. Step 5: Solve for x
    x = 138,657,914,216.03/563,416.99
  6. Step 6: Final answer
    x = 246,101.76

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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.