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Finding the Fourth Proportional to 114,605,041.20, 171,529,648.20 and 80,592,817.20

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Solution

The fourth proportional to 114,605,041.20, 171,529,648.20 and 80,592,817.20 is: 120,623,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,605,041.20 : 171,529,648.20 = 80,592,817.20 : x
  2. Step 2: Convert to fraction form
    114,605,041.20/171,529,648.20 = 80,592,817.20/x
  3. Step 3: Cross multiply
    114,605,041.20x = 171,529,648.20 × 80,592,817.20
  4. Step 4: Simplify right side
    114,605,041.20x = 13,824,057,581,762,908
  5. Step 5: Solve for x
    x = 13,824,057,581,762,908/114,605,041.20
  6. Step 6: Final answer
    x = 120,623,468.54

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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.