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Finding the Fourth Proportional to 101,021, 151,537.58 and 30,900.92

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Solution

The fourth proportional to 101,021, 151,537.58 and 30,900.92 is: 46,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,021 : 151,537.58 = 30,900.92 : x
  2. Step 2: Convert to fraction form
    101,021/151,537.58 = 30,900.92/x
  3. Step 3: Cross multiply
    101,021x = 151,537.58 × 30,900.92
  4. Step 4: Simplify right side
    101,021x = 4,682,650,482.07
  5. Step 5: Solve for x
    x = 4,682,650,482.07/101,021
  6. Step 6: Final answer
    x = 46,353.24

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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.