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Finding the Fourth Proportional to 202,956.40, 304,434.60 and 92,148.40

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Solution

The fourth proportional to 202,956.40, 304,434.60 and 92,148.40 is: 138,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,956.40 : 304,434.60 = 92,148.40 : x
  2. Step 2: Convert to fraction form
    202,956.40/304,434.60 = 92,148.40/x
  3. Step 3: Cross multiply
    202,956.40x = 304,434.60 × 92,148.40
  4. Step 4: Simplify right side
    202,956.40x = 28,053,161,294.64
  5. Step 5: Solve for x
    x = 28,053,161,294.64/202,956.40
  6. Step 6: Final answer
    x = 138,222.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.