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Finding the Fourth Proportional to 59,145.80, 88,716.09 and 19,701.50

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Solution

The fourth proportional to 59,145.80, 88,716.09 and 19,701.50 is: 29,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,145.80 : 88,716.09 = 19,701.50 : x
  2. Step 2: Convert to fraction form
    59,145.80/88,716.09 = 19,701.50/x
  3. Step 3: Cross multiply
    59,145.80x = 88,716.09 × 19,701.50
  4. Step 4: Simplify right side
    59,145.80x = 1,747,840,047.14
  5. Step 5: Solve for x
    x = 1,747,840,047.14/59,145.80
  6. Step 6: Final answer
    x = 29,551.38

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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.