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Finding the Fourth Proportional to 203,006.80, 304,510.20 and 97,836.40

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Solution

The fourth proportional to 203,006.80, 304,510.20 and 97,836.40 is: 146,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,006.80 : 304,510.20 = 97,836.40 : x
  2. Step 2: Convert to fraction form
    203,006.80/304,510.20 = 97,836.40/x
  3. Step 3: Cross multiply
    203,006.80x = 304,510.20 × 97,836.40
  4. Step 4: Simplify right side
    203,006.80x = 29,792,181,731.28
  5. Step 5: Solve for x
    x = 29,792,181,731.28/203,006.80
  6. Step 6: Final answer
    x = 146,754.60

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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.