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Finding the Fourth Proportional to 178,779.78, 246,715.11 and 97,107.12

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Solution

The fourth proportional to 178,779.78, 246,715.11 and 97,107.12 is: 134,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,779.78 : 246,715.11 = 97,107.12 : x
  2. Step 2: Convert to fraction form
    178,779.78/246,715.11 = 97,107.12/x
  3. Step 3: Cross multiply
    178,779.78x = 246,715.11 × 97,107.12
  4. Step 4: Simplify right side
    178,779.78x = 23,957,793,792.58
  5. Step 5: Solve for x
    x = 23,957,793,792.58/178,779.78
  6. Step 6: Final answer
    x = 134,007.29

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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.