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Finding the Fourth Proportional to 100,970.69, 151,484.09 and 44,049.57

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Solution

The fourth proportional to 100,970.69, 151,484.09 and 44,049.57 is: 66,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,970.69 : 151,484.09 = 44,049.57 : x
  2. Step 2: Convert to fraction form
    100,970.69/151,484.09 = 44,049.57/x
  3. Step 3: Cross multiply
    100,970.69x = 151,484.09 × 44,049.57
  4. Step 4: Simplify right side
    100,970.69x = 6,672,808,268.92
  5. Step 5: Solve for x
    x = 6,672,808,268.92/100,970.69
  6. Step 6: Final answer
    x = 66,086.59

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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.