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Finding the Fourth Proportional to 60,765.12, 91,016.46 and 59,277.96

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Solution

The fourth proportional to 60,765.12, 91,016.46 and 59,277.96 is: 88,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,765.12 : 91,016.46 = 59,277.96 : x
  2. Step 2: Convert to fraction form
    60,765.12/91,016.46 = 59,277.96/x
  3. Step 3: Cross multiply
    60,765.12x = 91,016.46 × 59,277.96
  4. Step 4: Simplify right side
    60,765.12x = 5,395,270,075.22
  5. Step 5: Solve for x
    x = 5,395,270,075.22/60,765.12
  6. Step 6: Final answer
    x = 88,788.93

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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.