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Finding the Fourth Proportional to 101,843.40, 152,880.30 and 60,313.80

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Solution

The fourth proportional to 101,843.40, 152,880.30 and 60,313.80 is: 90,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843.40 : 152,880.30 = 60,313.80 : x
  2. Step 2: Convert to fraction form
    101,843.40/152,880.30 = 60,313.80/x
  3. Step 3: Cross multiply
    101,843.40x = 152,880.30 × 60,313.80
  4. Step 4: Simplify right side
    101,843.40x = 9,220,791,838.14
  5. Step 5: Solve for x
    x = 9,220,791,838.14/101,843.40
  6. Step 6: Final answer
    x = 90,538.92

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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.