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Finding the Fourth Proportional to 85,057.70, 117,415.98 and 60,544.46

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Solution

The fourth proportional to 85,057.70, 117,415.98 and 60,544.46 is: 83,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057.70 : 117,415.98 = 60,544.46 : x
  2. Step 2: Convert to fraction form
    85,057.70/117,415.98 = 60,544.46/x
  3. Step 3: Cross multiply
    85,057.70x = 117,415.98 × 60,544.46
  4. Step 4: Simplify right side
    85,057.70x = 7,108,887,398.01
  5. Step 5: Solve for x
    x = 7,108,887,398.01/85,057.70
  6. Step 6: Final answer
    x = 83,577.24

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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.