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Finding the Fourth Proportional to 163,300,499.80, 244,950,749.70 and 72,601,235.80

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Solution

The fourth proportional to 163,300,499.80, 244,950,749.70 and 72,601,235.80 is: 108,901,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,300,499.80 : 244,950,749.70 = 72,601,235.80 : x
  2. Step 2: Convert to fraction form
    163,300,499.80/244,950,749.70 = 72,601,235.80/x
  3. Step 3: Cross multiply
    163,300,499.80x = 244,950,749.70 × 72,601,235.80
  4. Step 4: Simplify right side
    163,300,499.80x = 17,783,727,138,356,478
  5. Step 5: Solve for x
    x = 17,783,727,138,356,478/163,300,499.80
  6. Step 6: Final answer
    x = 108,901,853.70

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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.