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Finding the Fourth Proportional to 132,627.68, 183,025.68 and 72,201.68

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Solution

The fourth proportional to 132,627.68, 183,025.68 and 72,201.68 is: 99,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,627.68 : 183,025.68 = 72,201.68 : x
  2. Step 2: Convert to fraction form
    132,627.68/183,025.68 = 72,201.68/x
  3. Step 3: Cross multiply
    132,627.68x = 183,025.68 × 72,201.68
  4. Step 4: Simplify right side
    132,627.68x = 13,214,761,579.14
  5. Step 5: Solve for x
    x = 13,214,761,579.14/132,627.68
  6. Step 6: Final answer
    x = 99,638.04

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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.