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Finding the Fourth Proportional to 245,346.64, 338,835.36 and 169,064.08

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Solution

The fourth proportional to 245,346.64, 338,835.36 and 169,064.08 is: 233,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,346.64 : 338,835.36 = 169,064.08 : x
  2. Step 2: Convert to fraction form
    245,346.64/338,835.36 = 169,064.08/x
  3. Step 3: Cross multiply
    245,346.64x = 338,835.36 × 169,064.08
  4. Step 4: Simplify right side
    245,346.64x = 57,284,888,409.87
  5. Step 5: Solve for x
    x = 57,284,888,409.87/245,346.64
  6. Step 6: Final answer
    x = 233,485.52

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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.