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Finding the Fourth Proportional to 70,951.64, 98,335.90 and 69,623.04

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Solution

The fourth proportional to 70,951.64, 98,335.90 and 69,623.04 is: 96,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.64 : 98,335.90 = 69,623.04 : x
  2. Step 2: Convert to fraction form
    70,951.64/98,335.90 = 69,623.04/x
  3. Step 3: Cross multiply
    70,951.64x = 98,335.90 × 69,623.04
  4. Step 4: Simplify right side
    70,951.64x = 6,846,444,299.14
  5. Step 5: Solve for x
    x = 6,846,444,299.14/70,951.64
  6. Step 6: Final answer
    x = 96,494.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.