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Finding the Fourth Proportional to 215,146.66, 296,912.04 and 124,506.88

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Solution

The fourth proportional to 215,146.66, 296,912.04 and 124,506.88 is: 171,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,146.66 : 296,912.04 = 124,506.88 : x
  2. Step 2: Convert to fraction form
    215,146.66/296,912.04 = 124,506.88/x
  3. Step 3: Cross multiply
    215,146.66x = 296,912.04 × 124,506.88
  4. Step 4: Simplify right side
    215,146.66x = 36,967,591,734.84
  5. Step 5: Solve for x
    x = 36,967,591,734.84/215,146.66
  6. Step 6: Final answer
    x = 171,825.08

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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.