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Finding the Fourth Proportional to 101,425.92, 152,174.92 and 45,260.92

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Solution

The fourth proportional to 101,425.92, 152,174.92 and 45,260.92 is: 67,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,425.92 : 152,174.92 = 45,260.92 : x
  2. Step 2: Convert to fraction form
    101,425.92/152,174.92 = 45,260.92/x
  3. Step 3: Cross multiply
    101,425.92x = 152,174.92 × 45,260.92
  4. Step 4: Simplify right side
    101,425.92x = 6,887,576,880.13
  5. Step 5: Solve for x
    x = 6,887,576,880.13/101,425.92
  6. Step 6: Final answer
    x = 67,907.46

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1.5x scale

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.