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Finding the Fourth Proportional to 201,123.35, 301,684.72 and 51,363.73

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Solution

The fourth proportional to 201,123.35, 301,684.72 and 51,363.73 is: 77,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,123.35 : 301,684.72 = 51,363.73 : x
  2. Step 2: Convert to fraction form
    201,123.35/301,684.72 = 51,363.73/x
  3. Step 3: Cross multiply
    201,123.35x = 301,684.72 × 51,363.73
  4. Step 4: Simplify right side
    201,123.35x = 15,495,650,737.96
  5. Step 5: Solve for x
    x = 15,495,650,737.96/201,123.35
  6. Step 6: Final answer
    x = 77,045.51

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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.