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Finding the Fourth Proportional to 157,861.95, 217,853.76 and 94,236.67

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Solution

The fourth proportional to 157,861.95, 217,853.76 and 94,236.67 is: 130,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,861.95 : 217,853.76 = 94,236.67 : x
  2. Step 2: Convert to fraction form
    157,861.95/217,853.76 = 94,236.67/x
  3. Step 3: Cross multiply
    157,861.95x = 217,853.76 × 94,236.67
  4. Step 4: Simplify right side
    157,861.95x = 20,529,812,889.38
  5. Step 5: Solve for x
    x = 20,529,812,889.38/157,861.95
  6. Step 6: Final answer
    x = 130,049.15

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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.