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Finding the Fourth Proportional to 221,703.10, 332,554.65 and 133,056.70

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Solution

The fourth proportional to 221,703.10, 332,554.65 and 133,056.70 is: 199,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,703.10 : 332,554.65 = 133,056.70 : x
  2. Step 2: Convert to fraction form
    221,703.10/332,554.65 = 133,056.70/x
  3. Step 3: Cross multiply
    221,703.10x = 332,554.65 × 133,056.70
  4. Step 4: Simplify right side
    221,703.10x = 44,248,624,298.66
  5. Step 5: Solve for x
    x = 44,248,624,298.66/221,703.10
  6. Step 6: Final answer
    x = 199,585.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.