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Finding the Fourth Proportional to 64,181.80, 96,090.45 and 60,690.70

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Solution

The fourth proportional to 64,181.80, 96,090.45 and 60,690.70 is: 90,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,181.80 : 96,090.45 = 60,690.70 : x
  2. Step 2: Convert to fraction form
    64,181.80/96,090.45 = 60,690.70/x
  3. Step 3: Cross multiply
    64,181.80x = 96,090.45 × 60,690.70
  4. Step 4: Simplify right side
    64,181.80x = 5,831,796,673.82
  5. Step 5: Solve for x
    x = 5,831,796,673.82/64,181.80
  6. Step 6: Final answer
    x = 90,863.71

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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.