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Finding the Fourth Proportional to 59,959.01, 89,839.23 and 53,777.90

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Solution

The fourth proportional to 59,959.01, 89,839.23 and 53,777.90 is: 80,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,959.01 : 89,839.23 = 53,777.90 : x
  2. Step 2: Convert to fraction form
    59,959.01/89,839.23 = 53,777.90/x
  3. Step 3: Cross multiply
    59,959.01x = 89,839.23 × 53,777.90
  4. Step 4: Simplify right side
    59,959.01x = 4,831,364,677.82
  5. Step 5: Solve for x
    x = 4,831,364,677.82/59,959.01
  6. Step 6: Final answer
    x = 80,577.80

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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.