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Finding the Fourth Proportional to 221,699.17, 332,242.17 and 192,043.45

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Solution

The fourth proportional to 221,699.17, 332,242.17 and 192,043.45 is: 287,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,699.17 : 332,242.17 = 192,043.45 : x
  2. Step 2: Convert to fraction form
    221,699.17/332,242.17 = 192,043.45/x
  3. Step 3: Cross multiply
    221,699.17x = 332,242.17 × 192,043.45
  4. Step 4: Simplify right side
    221,699.17x = 63,804,932,562.29
  5. Step 5: Solve for x
    x = 63,804,932,562.29/221,699.17
  6. Step 6: Final answer
    x = 287,799.60

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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.