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Finding the Fourth Proportional to 303,082.94, 418,235.12 and 167,117.76

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Solution

The fourth proportional to 303,082.94, 418,235.12 and 167,117.76 is: 230,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,082.94 : 418,235.12 = 167,117.76 : x
  2. Step 2: Convert to fraction form
    303,082.94/418,235.12 = 167,117.76/x
  3. Step 3: Cross multiply
    303,082.94x = 418,235.12 × 167,117.76
  4. Step 4: Simplify right side
    303,082.94x = 69,894,516,407.73
  5. Step 5: Solve for x
    x = 69,894,516,407.73/303,082.94
  6. Step 6: Final answer
    x = 230,611.85

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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.