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Finding the Fourth Proportional to 201,420.10, 301,765.65 and 96,006.70

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Solution

The fourth proportional to 201,420.10, 301,765.65 and 96,006.70 is: 143,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420.10 : 301,765.65 = 96,006.70 : x
  2. Step 2: Convert to fraction form
    201,420.10/301,765.65 = 96,006.70/x
  3. Step 3: Cross multiply
    201,420.10x = 301,765.65 × 96,006.70
  4. Step 4: Simplify right side
    201,420.10x = 28,971,524,229.86
  5. Step 5: Solve for x
    x = 28,971,524,229.86/201,420.10
  6. Step 6: Final answer
    x = 143,836.31

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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.