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Finding the Fourth Proportional to 223,049.88, 307,800.48 and 127,554.12

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Solution

The fourth proportional to 223,049.88, 307,800.48 and 127,554.12 is: 176,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,049.88 : 307,800.48 = 127,554.12 : x
  2. Step 2: Convert to fraction form
    223,049.88/307,800.48 = 127,554.12/x
  3. Step 3: Cross multiply
    223,049.88x = 307,800.48 × 127,554.12
  4. Step 4: Simplify right side
    223,049.88x = 39,261,219,361.98
  5. Step 5: Solve for x
    x = 39,261,219,361.98/223,049.88
  6. Step 6: Final answer
    x = 176,019.91

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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.