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Finding the Fourth Proportional to 367,783.98, 551,675.16 and 97,912.20

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Solution

The fourth proportional to 367,783.98, 551,675.16 and 97,912.20 is: 146,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,783.98 : 551,675.16 = 97,912.20 : x
  2. Step 2: Convert to fraction form
    367,783.98/551,675.16 = 97,912.20/x
  3. Step 3: Cross multiply
    367,783.98x = 551,675.16 × 97,912.20
  4. Step 4: Simplify right side
    367,783.98x = 54,015,728,600.95
  5. Step 5: Solve for x
    x = 54,015,728,600.95/367,783.98
  6. Step 6: Final answer
    x = 146,868.08

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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.