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Finding the Fourth Proportional to 72,766.92, 100,364.61 and 50,113.11

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Solution

The fourth proportional to 72,766.92, 100,364.61 and 50,113.11 is: 69,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,766.92 : 100,364.61 = 50,113.11 : x
  2. Step 2: Convert to fraction form
    72,766.92/100,364.61 = 50,113.11/x
  3. Step 3: Cross multiply
    72,766.92x = 100,364.61 × 50,113.11
  4. Step 4: Simplify right side
    72,766.92x = 5,029,582,741.04
  5. Step 5: Solve for x
    x = 5,029,582,741.04/72,766.92
  6. Step 6: Final answer
    x = 69,119.08

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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.