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Finding the Fourth Proportional to 192,754.60, 288,840.30 and 163,011.40

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Solution

The fourth proportional to 192,754.60, 288,840.30 and 163,011.40 is: 244,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,754.60 : 288,840.30 = 163,011.40 : x
  2. Step 2: Convert to fraction form
    192,754.60/288,840.30 = 163,011.40/x
  3. Step 3: Cross multiply
    192,754.60x = 288,840.30 × 163,011.40
  4. Step 4: Simplify right side
    192,754.60x = 47,084,261,679.42
  5. Step 5: Solve for x
    x = 47,084,261,679.42/192,754.60
  6. Step 6: Final answer
    x = 244,270.50

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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.