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Finding the Fourth Proportional to 243,532.84, 336,082.56 and 136,103.14

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Solution

The fourth proportional to 243,532.84, 336,082.56 and 136,103.14 is: 187,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,532.84 : 336,082.56 = 136,103.14 : x
  2. Step 2: Convert to fraction form
    243,532.84/336,082.56 = 136,103.14/x
  3. Step 3: Cross multiply
    243,532.84x = 336,082.56 × 136,103.14
  4. Step 4: Simplify right side
    243,532.84x = 45,741,891,715.24
  5. Step 5: Solve for x
    x = 45,741,891,715.24/243,532.84
  6. Step 6: Final answer
    x = 187,826.38

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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.