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Finding the Fourth Proportional to 220,926.27, 304,870.28 and 135,029.01

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Solution

The fourth proportional to 220,926.27, 304,870.28 and 135,029.01 is: 186,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,926.27 : 304,870.28 = 135,029.01 : x
  2. Step 2: Convert to fraction form
    220,926.27/304,870.28 = 135,029.01/x
  3. Step 3: Cross multiply
    220,926.27x = 304,870.28 × 135,029.01
  4. Step 4: Simplify right side
    220,926.27x = 41,166,331,411.68
  5. Step 5: Solve for x
    x = 41,166,331,411.68/220,926.27
  6. Step 6: Final answer
    x = 186,335.16

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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.