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Finding the Fourth Proportional to 101,463.66, 140,054.40 and 59,057.82

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Solution

The fourth proportional to 101,463.66, 140,054.40 and 59,057.82 is: 81,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,463.66 : 140,054.40 = 59,057.82 : x
  2. Step 2: Convert to fraction form
    101,463.66/140,054.40 = 59,057.82/x
  3. Step 3: Cross multiply
    101,463.66x = 140,054.40 × 59,057.82
  4. Step 4: Simplify right side
    101,463.66x = 8,271,307,545.41
  5. Step 5: Solve for x
    x = 8,271,307,545.41/101,463.66
  6. Step 6: Final answer
    x = 81,519.90

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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.