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Finding the Fourth Proportional to 374,224.80, 561,164.40 and 163,754.40

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Solution

The fourth proportional to 374,224.80, 561,164.40 and 163,754.40 is: 245,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,224.80 : 561,164.40 = 163,754.40 : x
  2. Step 2: Convert to fraction form
    374,224.80/561,164.40 = 163,754.40/x
  3. Step 3: Cross multiply
    374,224.80x = 561,164.40 × 163,754.40
  4. Step 4: Simplify right side
    374,224.80x = 91,893,139,623.36
  5. Step 5: Solve for x
    x = 91,893,139,623.36/374,224.80
  6. Step 6: Final answer
    x = 245,555.99

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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.