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Finding the Fourth Proportional to 101,265.96, 151,920.48 and 34,688.22

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Solution

The fourth proportional to 101,265.96, 151,920.48 and 34,688.22 is: 52,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,265.96 : 151,920.48 = 34,688.22 : x
  2. Step 2: Convert to fraction form
    101,265.96/151,920.48 = 34,688.22/x
  3. Step 3: Cross multiply
    101,265.96x = 151,920.48 × 34,688.22
  4. Step 4: Simplify right side
    101,265.96x = 5,269,851,032.75
  5. Step 5: Solve for x
    x = 5,269,851,032.75/101,265.96
  6. Step 6: Final answer
    x = 52,039.71

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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.