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Finding the Fourth Proportional to 245,597.76, 338,743.48 and 169,141.16

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Solution

The fourth proportional to 245,597.76, 338,743.48 and 169,141.16 is: 233,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,597.76 : 338,743.48 = 169,141.16 : x
  2. Step 2: Convert to fraction form
    245,597.76/338,743.48 = 169,141.16/x
  3. Step 3: Cross multiply
    245,597.76x = 338,743.48 × 169,141.16
  4. Step 4: Simplify right side
    245,597.76x = 57,295,465,149.64
  5. Step 5: Solve for x
    x = 57,295,465,149.64/245,597.76
  6. Step 6: Final answer
    x = 233,289.85

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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.