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Finding the Fourth Proportional to 147,232, 220,848 and 36,424

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Solution

The fourth proportional to 147,232, 220,848 and 36,424 is: 54,636

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,232 : 220,848 = 36,424 : x
  2. Step 2: Convert to fraction form
    147,232/220,848 = 36,424/x
  3. Step 3: Cross multiply
    147,232x = 220,848 × 36,424
  4. Step 4: Simplify right side
    147,232x = 8,044,167,552
  5. Step 5: Solve for x
    x = 8,044,167,552/147,232
  6. Step 6: Final answer
    x = 54,636

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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.