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Finding the Fourth Proportional to 132,958.44, 183,483.72 and 72,529.56

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Solution

The fourth proportional to 132,958.44, 183,483.72 and 72,529.56 is: 100,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,958.44 : 183,483.72 = 72,529.56 : x
  2. Step 2: Convert to fraction form
    132,958.44/183,483.72 = 72,529.56/x
  3. Step 3: Cross multiply
    132,958.44x = 183,483.72 × 72,529.56
  4. Step 4: Simplify right side
    132,958.44x = 13,307,993,478.76
  5. Step 5: Solve for x
    x = 13,307,993,478.76/132,958.44
  6. Step 6: Final answer
    x = 100,091.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.