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Finding the Fourth Proportional to 84,680.94, 116,877.92 and 50,697.01

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Solution

The fourth proportional to 84,680.94, 116,877.92 and 50,697.01 is: 69,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,680.94 : 116,877.92 = 50,697.01 : x
  2. Step 2: Convert to fraction form
    84,680.94/116,877.92 = 50,697.01/x
  3. Step 3: Cross multiply
    84,680.94x = 116,877.92 × 50,697.01
  4. Step 4: Simplify right side
    84,680.94x = 5,925,361,079.02
  5. Step 5: Solve for x
    x = 5,925,361,079.02/84,680.94
  6. Step 6: Final answer
    x = 69,972.78

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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.