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Finding the Fourth Proportional to 199,472.70, 275,234.67 and 118,907.76

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Solution

The fourth proportional to 199,472.70, 275,234.67 and 118,907.76 is: 164,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,472.70 : 275,234.67 = 118,907.76 : x
  2. Step 2: Convert to fraction form
    199,472.70/275,234.67 = 118,907.76/x
  3. Step 3: Cross multiply
    199,472.70x = 275,234.67 × 118,907.76
  4. Step 4: Simplify right side
    199,472.70x = 32,727,538,084.04
  5. Step 5: Solve for x
    x = 32,727,538,084.04/199,472.70
  6. Step 6: Final answer
    x = 164,070.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.