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Finding the Fourth Proportional to 92,892.84, 128,193.06 and 50,452.20

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Solution

The fourth proportional to 92,892.84, 128,193.06 and 50,452.20 is: 69,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.84 : 128,193.06 = 50,452.20 : x
  2. Step 2: Convert to fraction form
    92,892.84/128,193.06 = 50,452.20/x
  3. Step 3: Cross multiply
    92,892.84x = 128,193.06 × 50,452.20
  4. Step 4: Simplify right side
    92,892.84x = 6,467,621,901.73
  5. Step 5: Solve for x
    x = 6,467,621,901.73/92,892.84
  6. Step 6: Final answer
    x = 69,624.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.