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Finding the Fourth Proportional to 198,510.60, 297,852.30 and 100,014.60

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Solution

The fourth proportional to 198,510.60, 297,852.30 and 100,014.60 is: 150,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,510.60 : 297,852.30 = 100,014.60 : x
  2. Step 2: Convert to fraction form
    198,510.60/297,852.30 = 100,014.60/x
  3. Step 3: Cross multiply
    198,510.60x = 297,852.30 × 100,014.60
  4. Step 4: Simplify right side
    198,510.60x = 29,789,578,643.58
  5. Step 5: Solve for x
    x = 29,789,578,643.58/198,510.60
  6. Step 6: Final answer
    x = 150,065.43

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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.