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Finding the Fourth Proportional to 132,173.87, 197,959.85 and 103,532.01

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Solution

The fourth proportional to 132,173.87, 197,959.85 and 103,532.01 is: 155,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.87 : 197,959.85 = 103,532.01 : x
  2. Step 2: Convert to fraction form
    132,173.87/197,959.85 = 103,532.01/x
  3. Step 3: Cross multiply
    132,173.87x = 197,959.85 × 103,532.01
  4. Step 4: Simplify right side
    132,173.87x = 20,495,180,652.14
  5. Step 5: Solve for x
    x = 20,495,180,652.14/132,173.87
  6. Step 6: Final answer
    x = 155,062.28

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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.