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Finding the Fourth Proportional to 326,036.64, 489,125.34 and 101,392.68

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Solution

The fourth proportional to 326,036.64, 489,125.34 and 101,392.68 is: 152,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,036.64 : 489,125.34 = 101,392.68 : x
  2. Step 2: Convert to fraction form
    326,036.64/489,125.34 = 101,392.68/x
  3. Step 3: Cross multiply
    326,036.64x = 489,125.34 × 101,392.68
  4. Step 4: Simplify right side
    326,036.64x = 49,593,729,078.51
  5. Step 5: Solve for x
    x = 49,593,729,078.51/326,036.64
  6. Step 6: Final answer
    x = 152,110.91

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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.