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Finding the Fourth Proportional to 59,200.40, 88,796.55 and 19,218.80

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Solution

The fourth proportional to 59,200.40, 88,796.55 and 19,218.80 is: 28,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,200.40 : 88,796.55 = 19,218.80 : x
  2. Step 2: Convert to fraction form
    59,200.40/88,796.55 = 19,218.80/x
  3. Step 3: Cross multiply
    59,200.40x = 88,796.55 × 19,218.80
  4. Step 4: Simplify right side
    59,200.40x = 1,706,563,135.14
  5. Step 5: Solve for x
    x = 1,706,563,135.14/59,200.40
  6. Step 6: Final answer
    x = 28,826.89

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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.