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Finding the Fourth Proportional to 221,969.70, 333,003.15 and 109,703.70

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Solution

The fourth proportional to 221,969.70, 333,003.15 and 109,703.70 is: 164,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,969.70 : 333,003.15 = 109,703.70 : x
  2. Step 2: Convert to fraction form
    221,969.70/333,003.15 = 109,703.70/x
  3. Step 3: Cross multiply
    221,969.70x = 333,003.15 × 109,703.70
  4. Step 4: Simplify right side
    221,969.70x = 36,531,677,666.66
  5. Step 5: Solve for x
    x = 36,531,677,666.66/221,969.70
  6. Step 6: Final answer
    x = 164,579.57

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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.