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Finding the Fourth Proportional to 132,607.40, 198,911.10 and 101,114.60

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Solution

The fourth proportional to 132,607.40, 198,911.10 and 101,114.60 is: 151,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,607.40 : 198,911.10 = 101,114.60 : x
  2. Step 2: Convert to fraction form
    132,607.40/198,911.10 = 101,114.60/x
  3. Step 3: Cross multiply
    132,607.40x = 198,911.10 × 101,114.60
  4. Step 4: Simplify right side
    132,607.40x = 20,112,816,312.06
  5. Step 5: Solve for x
    x = 20,112,816,312.06/132,607.40
  6. Step 6: Final answer
    x = 151,671.90

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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.