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Finding the Fourth Proportional to 175,107.68, 241,654.64 and 99,654.56

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Solution

The fourth proportional to 175,107.68, 241,654.64 and 99,654.56 is: 137,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,107.68 : 241,654.64 = 99,654.56 : x
  2. Step 2: Convert to fraction form
    175,107.68/241,654.64 = 99,654.56/x
  3. Step 3: Cross multiply
    175,107.68x = 241,654.64 × 99,654.56
  4. Step 4: Simplify right side
    175,107.68x = 24,081,986,821.16
  5. Step 5: Solve for x
    x = 24,081,986,821.16/175,107.68
  6. Step 6: Final answer
    x = 137,526.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.