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Finding the Fourth Proportional to 136,610.70, 204,916.05 and 119,114.70

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Solution

The fourth proportional to 136,610.70, 204,916.05 and 119,114.70 is: 178,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,610.70 : 204,916.05 = 119,114.70 : x
  2. Step 2: Convert to fraction form
    136,610.70/204,916.05 = 119,114.70/x
  3. Step 3: Cross multiply
    136,610.70x = 204,916.05 × 119,114.70
  4. Step 4: Simplify right side
    136,610.70x = 24,408,513,820.94
  5. Step 5: Solve for x
    x = 24,408,513,820.94/136,610.70
  6. Step 6: Final answer
    x = 178,672.05

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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.