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Finding the Fourth Proportional to 101,573.92, 140,195.33 and 67,583.84

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Solution

The fourth proportional to 101,573.92, 140,195.33 and 67,583.84 is: 93,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,573.92 : 140,195.33 = 67,583.84 : x
  2. Step 2: Convert to fraction form
    101,573.92/140,195.33 = 67,583.84/x
  3. Step 3: Cross multiply
    101,573.92x = 140,195.33 × 67,583.84
  4. Step 4: Simplify right side
    101,573.92x = 9,474,938,219.45
  5. Step 5: Solve for x
    x = 9,474,938,219.45/101,573.92
  6. Step 6: Final answer
    x = 93,281.21

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1.5x scale

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.