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Finding the Fourth Proportional to 245,398.29, 368,294.29 and 127,103.46

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Solution

The fourth proportional to 245,398.29, 368,294.29 and 127,103.46 is: 190,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,398.29 : 368,294.29 = 127,103.46 : x
  2. Step 2: Convert to fraction form
    245,398.29/368,294.29 = 127,103.46/x
  3. Step 3: Cross multiply
    245,398.29x = 368,294.29 × 127,103.46
  4. Step 4: Simplify right side
    245,398.29x = 46,811,479,644.99
  5. Step 5: Solve for x
    x = 46,811,479,644.99/245,398.29
  6. Step 6: Final answer
    x = 190,757.15

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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.