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Finding the Fourth Proportional to 110,840.50, 152,960.70 and 60,539.50

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Solution

The fourth proportional to 110,840.50, 152,960.70 and 60,539.50 is: 83,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,840.50 : 152,960.70 = 60,539.50 : x
  2. Step 2: Convert to fraction form
    110,840.50/152,960.70 = 60,539.50/x
  3. Step 3: Cross multiply
    110,840.50x = 152,960.70 × 60,539.50
  4. Step 4: Simplify right side
    110,840.50x = 9,260,164,297.65
  5. Step 5: Solve for x
    x = 9,260,164,297.65/110,840.50
  6. Step 6: Final answer
    x = 83,544.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.