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Finding the Fourth Proportional to 357,992.30, 536,986.02 and 121,501.46

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Solution

The fourth proportional to 357,992.30, 536,986.02 and 121,501.46 is: 182,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,992.30 : 536,986.02 = 121,501.46 : x
  2. Step 2: Convert to fraction form
    357,992.30/536,986.02 = 121,501.46/x
  3. Step 3: Cross multiply
    357,992.30x = 536,986.02 × 121,501.46
  4. Step 4: Simplify right side
    357,992.30x = 65,244,585,429.59
  5. Step 5: Solve for x
    x = 65,244,585,429.59/357,992.30
  6. Step 6: Final answer
    x = 182,251.37

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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.