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Finding the Fourth Proportional to 236,419.01, 354,428.91 and 109,993.98

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Solution

The fourth proportional to 236,419.01, 354,428.91 and 109,993.98 is: 164,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,419.01 : 354,428.91 = 109,993.98 : x
  2. Step 2: Convert to fraction form
    236,419.01/354,428.91 = 109,993.98/x
  3. Step 3: Cross multiply
    236,419.01x = 354,428.91 × 109,993.98
  4. Step 4: Simplify right side
    236,419.01x = 38,985,046,437.96
  5. Step 5: Solve for x
    x = 38,985,046,437.96/236,419.01
  6. Step 6: Final answer
    x = 164,898.11

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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.