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Finding the Fourth Proportional to 101,426.92, 152,176.42 and 45,261.92

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Solution

The fourth proportional to 101,426.92, 152,176.42 and 45,261.92 is: 67,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,426.92 : 152,176.42 = 45,261.92 : x
  2. Step 2: Convert to fraction form
    101,426.92/152,176.42 = 45,261.92/x
  3. Step 3: Cross multiply
    101,426.92x = 152,176.42 × 45,261.92
  4. Step 4: Simplify right side
    101,426.92x = 6,887,796,947.93
  5. Step 5: Solve for x
    x = 6,887,796,947.93/101,426.92
  6. Step 6: Final answer
    x = 67,908.96

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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.