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Finding the Fourth Proportional to 216,404.51, 298,553.58 and 125,744.25

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Solution

The fourth proportional to 216,404.51, 298,553.58 and 125,744.25 is: 173,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,404.51 : 298,553.58 = 125,744.25 : x
  2. Step 2: Convert to fraction form
    216,404.51/298,553.58 = 125,744.25/x
  3. Step 3: Cross multiply
    216,404.51x = 298,553.58 × 125,744.25
  4. Step 4: Simplify right side
    216,404.51x = 37,541,396,001.92
  5. Step 5: Solve for x
    x = 37,541,396,001.92/216,404.51
  6. Step 6: Final answer
    x = 173,477.89

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1.5x scale

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.