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Finding the Fourth Proportional to 207,483.52, 311,225.54 and 57,723.88

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Solution

The fourth proportional to 207,483.52, 311,225.54 and 57,723.88 is: 86,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,483.52 : 311,225.54 = 57,723.88 : x
  2. Step 2: Convert to fraction form
    207,483.52/311,225.54 = 57,723.88/x
  3. Step 3: Cross multiply
    207,483.52x = 311,225.54 × 57,723.88
  4. Step 4: Simplify right side
    207,483.52x = 17,965,145,723.90
  5. Step 5: Solve for x
    x = 17,965,145,723.90/207,483.52
  6. Step 6: Final answer
    x = 86,585.89

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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.