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Finding the Fourth Proportional to 221,083.97, 331,624.53 and 63,312.98

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Solution

The fourth proportional to 221,083.97, 331,624.53 and 63,312.98 is: 94,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,083.97 : 331,624.53 = 63,312.98 : x
  2. Step 2: Convert to fraction form
    221,083.97/331,624.53 = 63,312.98/x
  3. Step 3: Cross multiply
    221,083.97x = 331,624.53 × 63,312.98
  4. Step 4: Simplify right side
    221,083.97x = 20,996,135,577.28
  5. Step 5: Solve for x
    x = 20,996,135,577.28/221,083.97
  6. Step 6: Final answer
    x = 94,969.06

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1.5x scale

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.