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Finding the Fourth Proportional to 147,234, 220,851 and 36,426

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Solution

The fourth proportional to 147,234, 220,851 and 36,426 is: 54,639

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,234 : 220,851 = 36,426 : x
  2. Step 2: Convert to fraction form
    147,234/220,851 = 36,426/x
  3. Step 3: Cross multiply
    147,234x = 220,851 × 36,426
  4. Step 4: Simplify right side
    147,234x = 8,044,718,526
  5. Step 5: Solve for x
    x = 8,044,718,526/147,234
  6. Step 6: Final answer
    x = 54,639

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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.