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Finding the Fourth Proportional to 326,083.39, 489,062.81 and 101,446.63

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Solution

The fourth proportional to 326,083.39, 489,062.81 and 101,446.63 is: 152,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,083.39 : 489,062.81 = 101,446.63 : x
  2. Step 2: Convert to fraction form
    326,083.39/489,062.81 = 101,446.63/x
  3. Step 3: Cross multiply
    326,083.39x = 489,062.81 × 101,446.63
  4. Step 4: Simplify right side
    326,083.39x = 49,613,772,963.79
  5. Step 5: Solve for x
    x = 49,613,772,963.79/326,083.39
  6. Step 6: Final answer
    x = 152,150.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.