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Finding the Fourth Proportional to 368,289.48, 552,432.70 and 102,049.23

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Solution

The fourth proportional to 368,289.48, 552,432.70 and 102,049.23 is: 153,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,289.48 : 552,432.70 = 102,049.23 : x
  2. Step 2: Convert to fraction form
    368,289.48/552,432.70 = 102,049.23/x
  3. Step 3: Cross multiply
    368,289.48x = 552,432.70 × 102,049.23
  4. Step 4: Simplify right side
    368,289.48x = 56,375,331,151.57
  5. Step 5: Solve for x
    x = 56,375,331,151.57/368,289.48
  6. Step 6: Final answer
    x = 153,073.42

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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.