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Finding the Fourth Proportional to 178,235.72, 267,383.30 and 65,916.18

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Solution

The fourth proportional to 178,235.72, 267,383.30 and 65,916.18 is: 98,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,235.72 : 267,383.30 = 65,916.18 : x
  2. Step 2: Convert to fraction form
    178,235.72/267,383.30 = 65,916.18/x
  3. Step 3: Cross multiply
    178,235.72x = 267,383.30 × 65,916.18
  4. Step 4: Simplify right side
    178,235.72x = 17,624,885,958.38
  5. Step 5: Solve for x
    x = 17,624,885,958.38/178,235.72
  6. Step 6: Final answer
    x = 98,885.26

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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.