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Finding the Fourth Proportional to 163,300,981.80, 244,951,472.70 and 72,601,717.80

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Solution

The fourth proportional to 163,300,981.80, 244,951,472.70 and 72,601,717.80 is: 108,902,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,300,981.80 : 244,951,472.70 = 72,601,717.80 : x
  2. Step 2: Convert to fraction form
    163,300,981.80/244,951,472.70 = 72,601,717.80/x
  3. Step 3: Cross multiply
    163,300,981.80x = 244,951,472.70 × 72,601,717.80
  4. Step 4: Simplify right side
    163,300,981.80x = 17,783,897,695,659,802
  5. Step 5: Solve for x
    x = 17,783,897,695,659,802/163,300,981.80
  6. Step 6: Final answer
    x = 108,902,576.70

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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.