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Finding the Fourth Proportional to 68,959.96, 95,175.82 and 64,457.48

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Solution

The fourth proportional to 68,959.96, 95,175.82 and 64,457.48 is: 88,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959.96 : 95,175.82 = 64,457.48 : x
  2. Step 2: Convert to fraction form
    68,959.96/95,175.82 = 64,457.48/x
  3. Step 3: Cross multiply
    68,959.96x = 95,175.82 × 64,457.48
  4. Step 4: Simplify right side
    68,959.96x = 6,134,793,514.13
  5. Step 5: Solve for x
    x = 6,134,793,514.13/68,959.96
  6. Step 6: Final answer
    x = 88,961.67

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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.