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Finding the Fourth Proportional to 207,145.17, 310,342.10 and 94,919.13

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Solution

The fourth proportional to 207,145.17, 310,342.10 and 94,919.13 is: 142,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,145.17 : 310,342.10 = 94,919.13 : x
  2. Step 2: Convert to fraction form
    207,145.17/310,342.10 = 94,919.13/x
  3. Step 3: Cross multiply
    207,145.17x = 310,342.10 × 94,919.13
  4. Step 4: Simplify right side
    207,145.17x = 29,457,401,659.78
  5. Step 5: Solve for x
    x = 29,457,401,659.78/207,145.17
  6. Step 6: Final answer
    x = 142,206.56

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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.