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Finding the Fourth Proportional to 141,894.28, 212,892.30 and 60,807.28

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Solution

The fourth proportional to 141,894.28, 212,892.30 and 60,807.28 is: 91,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,894.28 : 212,892.30 = 60,807.28 : x
  2. Step 2: Convert to fraction form
    141,894.28/212,892.30 = 60,807.28/x
  3. Step 3: Cross multiply
    141,894.28x = 212,892.30 × 60,807.28
  4. Step 4: Simplify right side
    141,894.28x = 12,945,401,695.94
  5. Step 5: Solve for x
    x = 12,945,401,695.94/141,894.28
  6. Step 6: Final answer
    x = 91,232.72

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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.