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Finding the Fourth Proportional to 188,473.48, 260,154.02 and 120,673.06

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Solution

The fourth proportional to 188,473.48, 260,154.02 and 120,673.06 is: 166,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,473.48 : 260,154.02 = 120,673.06 : x
  2. Step 2: Convert to fraction form
    188,473.48/260,154.02 = 120,673.06/x
  3. Step 3: Cross multiply
    188,473.48x = 260,154.02 × 120,673.06
  4. Step 4: Simplify right side
    188,473.48x = 31,393,581,664.70
  5. Step 5: Solve for x
    x = 31,393,581,664.70/188,473.48
  6. Step 6: Final answer
    x = 166,567.63

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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.