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Finding the Fourth Proportional to 236,417.01, 354,425.91 and 109,991.98

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Solution

The fourth proportional to 236,417.01, 354,425.91 and 109,991.98 is: 164,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,417.01 : 354,425.91 = 109,991.98 : x
  2. Step 2: Convert to fraction form
    236,417.01/354,425.91 = 109,991.98/x
  3. Step 3: Cross multiply
    236,417.01x = 354,425.91 × 109,991.98
  4. Step 4: Simplify right side
    236,417.01x = 38,984,007,604.20
  5. Step 5: Solve for x
    x = 38,984,007,604.20/236,417.01
  6. Step 6: Final answer
    x = 164,895.10

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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.