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Finding the Fourth Proportional to 101,148.56, 151,675.88 and 59,040.80

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Solution

The fourth proportional to 101,148.56, 151,675.88 and 59,040.80 is: 88,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,148.56 : 151,675.88 = 59,040.80 : x
  2. Step 2: Convert to fraction form
    101,148.56/151,675.88 = 59,040.80/x
  3. Step 3: Cross multiply
    101,148.56x = 151,675.88 × 59,040.80
  4. Step 4: Simplify right side
    101,148.56x = 8,955,065,295.90
  5. Step 5: Solve for x
    x = 8,955,065,295.90/101,148.56
  6. Step 6: Final answer
    x = 88,533.79

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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.