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Finding the Fourth Proportional to 194,612.30, 268,554.03 and 109,724.30

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Solution

The fourth proportional to 194,612.30, 268,554.03 and 109,724.30 is: 151,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.30 : 268,554.03 = 109,724.30 : x
  2. Step 2: Convert to fraction form
    194,612.30/268,554.03 = 109,724.30/x
  3. Step 3: Cross multiply
    194,612.30x = 268,554.03 × 109,724.30
  4. Step 4: Simplify right side
    194,612.30x = 29,466,902,953.93
  5. Step 5: Solve for x
    x = 29,466,902,953.93/194,612.30
  6. Step 6: Final answer
    x = 151,413.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.