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Finding the Fourth Proportional to 220,412.13, 304,168.94 and 119,810.13

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Solution

The fourth proportional to 220,412.13, 304,168.94 and 119,810.13 is: 165,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,412.13 : 304,168.94 = 119,810.13 : x
  2. Step 2: Convert to fraction form
    220,412.13/304,168.94 = 119,810.13/x
  3. Step 3: Cross multiply
    220,412.13x = 304,168.94 × 119,810.13
  4. Step 4: Simplify right side
    220,412.13x = 36,442,520,243.36
  5. Step 5: Solve for x
    x = 36,442,520,243.36/220,412.13
  6. Step 6: Final answer
    x = 165,338.09

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1.5x scale

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.