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Finding the Fourth Proportional to 192,488.68, 265,642.62 and 107,605.72

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Solution

The fourth proportional to 192,488.68, 265,642.62 and 107,605.72 is: 148,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,488.68 : 265,642.62 = 107,605.72 : x
  2. Step 2: Convert to fraction form
    192,488.68/265,642.62 = 107,605.72/x
  3. Step 3: Cross multiply
    192,488.68x = 265,642.62 × 107,605.72
  4. Step 4: Simplify right side
    192,488.68x = 28,584,665,387.79
  5. Step 5: Solve for x
    x = 28,584,665,387.79/192,488.68
  6. Step 6: Final answer
    x = 148,500.50

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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.