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Finding the Fourth Proportional to 150,006.40, 225,009.60 and 132,510.40

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Solution

The fourth proportional to 150,006.40, 225,009.60 and 132,510.40 is: 198,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,006.40 : 225,009.60 = 132,510.40 : x
  2. Step 2: Convert to fraction form
    150,006.40/225,009.60 = 132,510.40/x
  3. Step 3: Cross multiply
    150,006.40x = 225,009.60 × 132,510.40
  4. Step 4: Simplify right side
    150,006.40x = 29,816,112,099.84
  5. Step 5: Solve for x
    x = 29,816,112,099.84/150,006.40
  6. Step 6: Final answer
    x = 198,765.60

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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.