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Finding the Fourth Proportional to 224,082.61, 336,123 and 90,961.74

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Solution

The fourth proportional to 224,082.61, 336,123 and 90,961.74 is: 136,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,082.61 : 336,123 = 90,961.74 : x
  2. Step 2: Convert to fraction form
    224,082.61/336,123 = 90,961.74/x
  3. Step 3: Cross multiply
    224,082.61x = 336,123 × 90,961.74
  4. Step 4: Simplify right side
    224,082.61x = 30,574,332,934.02
  5. Step 5: Solve for x
    x = 30,574,332,934.02/224,082.61
  6. Step 6: Final answer
    x = 136,442.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.