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Finding the Fourth Proportional to 85,959.54, 118,679.49 and 59,093.46

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Solution

The fourth proportional to 85,959.54, 118,679.49 and 59,093.46 is: 81,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,959.54 : 118,679.49 = 59,093.46 : x
  2. Step 2: Convert to fraction form
    85,959.54/118,679.49 = 59,093.46/x
  3. Step 3: Cross multiply
    85,959.54x = 118,679.49 × 59,093.46
  4. Step 4: Simplify right side
    85,959.54x = 7,013,181,695.14
  5. Step 5: Solve for x
    x = 7,013,181,695.14/85,959.54
  6. Step 6: Final answer
    x = 81,587.01

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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.