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Finding the Fourth Proportional to 161,551.80, 242,327.60 and 72,701.52

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Solution

The fourth proportional to 161,551.80, 242,327.60 and 72,701.52 is: 109,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,551.80 : 242,327.60 = 72,701.52 : x
  2. Step 2: Convert to fraction form
    161,551.80/242,327.60 = 72,701.52/x
  3. Step 3: Cross multiply
    161,551.80x = 242,327.60 × 72,701.52
  4. Step 4: Simplify right side
    161,551.80x = 17,617,584,494.44
  5. Step 5: Solve for x
    x = 17,617,584,494.44/161,551.80
  6. Step 6: Final answer
    x = 109,052.23

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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.