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Finding the Fourth Proportional to 114,604,803.20, 171,529,291.20 and 80,592,579.20

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Solution

The fourth proportional to 114,604,803.20, 171,529,291.20 and 80,592,579.20 is: 120,623,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,604,803.20 : 171,529,291.20 = 80,592,579.20 : x
  2. Step 2: Convert to fraction form
    114,604,803.20/171,529,291.20 = 80,592,579.20/x
  3. Step 3: Cross multiply
    114,604,803.20x = 171,529,291.20 × 80,592,579.20
  4. Step 4: Simplify right side
    114,604,803.20x = 13,823,987,986,155,862
  5. Step 5: Solve for x
    x = 13,823,987,986,155,862/114,604,803.20
  6. Step 6: Final answer
    x = 120,623,111.77

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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.