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Finding the Fourth Proportional to 203,017.80, 304,526.70 and 97,847.40

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Solution

The fourth proportional to 203,017.80, 304,526.70 and 97,847.40 is: 146,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,017.80 : 304,526.70 = 97,847.40 : x
  2. Step 2: Convert to fraction form
    203,017.80/304,526.70 = 97,847.40/x
  3. Step 3: Cross multiply
    203,017.80x = 304,526.70 × 97,847.40
  4. Step 4: Simplify right side
    203,017.80x = 29,797,145,825.58
  5. Step 5: Solve for x
    x = 29,797,145,825.58/203,017.80
  6. Step 6: Final answer
    x = 146,771.10

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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.