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Finding the Fourth Proportional to 223,140.55, 307,890.63 and 132,524.92

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Solution

The fourth proportional to 223,140.55, 307,890.63 and 132,524.92 is: 182,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,140.55 : 307,890.63 = 132,524.92 : x
  2. Step 2: Convert to fraction form
    223,140.55/307,890.63 = 132,524.92/x
  3. Step 3: Cross multiply
    223,140.55x = 307,890.63 × 132,524.92
  4. Step 4: Simplify right side
    223,140.55x = 40,803,181,109.50
  5. Step 5: Solve for x
    x = 40,803,181,109.50/223,140.55
  6. Step 6: Final answer
    x = 182,858.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.