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Finding the Fourth Proportional to 219,573.50, 329,106.11 and 100,995.98

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Solution

The fourth proportional to 219,573.50, 329,106.11 and 100,995.98 is: 151,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,573.50 : 329,106.11 = 100,995.98 : x
  2. Step 2: Convert to fraction form
    219,573.50/329,106.11 = 100,995.98/x
  3. Step 3: Cross multiply
    219,573.50x = 329,106.11 × 100,995.98
  4. Step 4: Simplify right side
    219,573.50x = 33,238,391,952.93
  5. Step 5: Solve for x
    x = 33,238,391,952.93/219,573.50
  6. Step 6: Final answer
    x = 151,377.07

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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.