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Finding the Fourth Proportional to 245,525.51, 338,632.72 and 168,047.08

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Solution

The fourth proportional to 245,525.51, 338,632.72 and 168,047.08 is: 231,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,525.51 : 338,632.72 = 168,047.08 : x
  2. Step 2: Convert to fraction form
    245,525.51/338,632.72 = 168,047.08/x
  3. Step 3: Cross multiply
    245,525.51x = 338,632.72 × 168,047.08
  4. Step 4: Simplify right side
    245,525.51x = 56,906,238,521.76
  5. Step 5: Solve for x
    x = 56,906,238,521.76/245,525.51
  6. Step 6: Final answer
    x = 231,773.22

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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.