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Finding the Fourth Proportional to 244,903.78, 367,244.76 and 87,136.36

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Solution

The fourth proportional to 244,903.78, 367,244.76 and 87,136.36 is: 130,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,903.78 : 367,244.76 = 87,136.36 : x
  2. Step 2: Convert to fraction form
    244,903.78/367,244.76 = 87,136.36/x
  3. Step 3: Cross multiply
    244,903.78x = 367,244.76 × 87,136.36
  4. Step 4: Simplify right side
    244,903.78x = 32,000,371,615.47
  5. Step 5: Solve for x
    x = 32,000,371,615.47/244,903.78
  6. Step 6: Final answer
    x = 130,665.08

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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.