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Finding the Fourth Proportional to 84,843.34, 127,146.79 and 63,758.76

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Solution

The fourth proportional to 84,843.34, 127,146.79 and 63,758.76 is: 95,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,843.34 : 127,146.79 = 63,758.76 : x
  2. Step 2: Convert to fraction form
    84,843.34/127,146.79 = 63,758.76/x
  3. Step 3: Cross multiply
    84,843.34x = 127,146.79 × 63,758.76
  4. Step 4: Simplify right side
    84,843.34x = 8,106,721,508.98
  5. Step 5: Solve for x
    x = 8,106,721,508.98/84,843.34
  6. Step 6: Final answer
    x = 95,549.30

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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.