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Finding the Fourth Proportional to 96,507.72, 144,726 and 33,311.76

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Solution

The fourth proportional to 96,507.72, 144,726 and 33,311.76 is: 49,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,507.72 : 144,726 = 33,311.76 : x
  2. Step 2: Convert to fraction form
    96,507.72/144,726 = 33,311.76/x
  3. Step 3: Cross multiply
    96,507.72x = 144,726 × 33,311.76
  4. Step 4: Simplify right side
    96,507.72x = 4,821,077,777.76
  5. Step 5: Solve for x
    x = 4,821,077,777.76/96,507.72
  6. Step 6: Final answer
    x = 49,955.36

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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.