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Finding the Fourth Proportional to 242,760.75, 364,141.13 and 76,548.75

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Solution

The fourth proportional to 242,760.75, 364,141.13 and 76,548.75 is: 114,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,760.75 : 364,141.13 = 76,548.75 : x
  2. Step 2: Convert to fraction form
    242,760.75/364,141.13 = 76,548.75/x
  3. Step 3: Cross multiply
    242,760.75x = 364,141.13 × 76,548.75
  4. Step 4: Simplify right side
    242,760.75x = 27,874,547,942.34
  5. Step 5: Solve for x
    x = 27,874,547,942.34/242,760.75
  6. Step 6: Final answer
    x = 114,823.13

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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.