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Finding the Fourth Proportional to 145,274.48, 217,786.90 and 50,492.35

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Solution

The fourth proportional to 145,274.48, 217,786.90 and 50,492.35 is: 75,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,274.48 : 217,786.90 = 50,492.35 : x
  2. Step 2: Convert to fraction form
    145,274.48/217,786.90 = 50,492.35/x
  3. Step 3: Cross multiply
    145,274.48x = 217,786.90 × 50,492.35
  4. Step 4: Simplify right side
    145,274.48x = 10,996,572,380.22
  5. Step 5: Solve for x
    x = 10,996,572,380.22/145,274.48
  6. Step 6: Final answer
    x = 75,695.14

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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.