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Finding the Fourth Proportional to 374,164.92, 561,436.92 and 163,804.68

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Solution

The fourth proportional to 374,164.92, 561,436.92 and 163,804.68 is: 245,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,164.92 : 561,436.92 = 163,804.68 : x
  2. Step 2: Convert to fraction form
    374,164.92/561,436.92 = 163,804.68/x
  3. Step 3: Cross multiply
    374,164.92x = 561,436.92 × 163,804.68
  4. Step 4: Simplify right side
    374,164.92x = 91,965,995,020.79
  5. Step 5: Solve for x
    x = 91,965,995,020.79/374,164.92
  6. Step 6: Final answer
    x = 245,790.00

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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.