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Finding the Fourth Proportional to 189,401.88, 284,069.16 and 63,029.64

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Solution

The fourth proportional to 189,401.88, 284,069.16 and 63,029.64 is: 94,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,401.88 : 284,069.16 = 63,029.64 : x
  2. Step 2: Convert to fraction form
    189,401.88/284,069.16 = 63,029.64/x
  3. Step 3: Cross multiply
    189,401.88x = 284,069.16 × 63,029.64
  4. Step 4: Simplify right side
    189,401.88x = 17,904,776,889.90
  5. Step 5: Solve for x
    x = 17,904,776,889.90/189,401.88
  6. Step 6: Final answer
    x = 94,533.26

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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.