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Finding the Fourth Proportional to 117,758.92, 162,549.04 and 70,012.04

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Solution

The fourth proportional to 117,758.92, 162,549.04 and 70,012.04 is: 96,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,758.92 : 162,549.04 = 70,012.04 : x
  2. Step 2: Convert to fraction form
    117,758.92/162,549.04 = 70,012.04/x
  3. Step 3: Cross multiply
    117,758.92x = 162,549.04 × 70,012.04
  4. Step 4: Simplify right side
    117,758.92x = 11,380,389,890.44
  5. Step 5: Solve for x
    x = 11,380,389,890.44/117,758.92
  6. Step 6: Final answer
    x = 96,641.43

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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.