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Finding the Fourth Proportional to 116,985.40, 175,218.90 and 96,249.40

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Solution

The fourth proportional to 116,985.40, 175,218.90 and 96,249.40 is: 144,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,985.40 : 175,218.90 = 96,249.40 : x
  2. Step 2: Convert to fraction form
    116,985.40/175,218.90 = 96,249.40/x
  3. Step 3: Cross multiply
    116,985.40x = 175,218.90 × 96,249.40
  4. Step 4: Simplify right side
    116,985.40x = 16,864,713,993.66
  5. Step 5: Solve for x
    x = 16,864,713,993.66/116,985.40
  6. Step 6: Final answer
    x = 144,160.84

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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.