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Finding the Fourth Proportional to 74,954.60, 112,259.10 and 73,226.60

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Solution

The fourth proportional to 74,954.60, 112,259.10 and 73,226.60 is: 109,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.60 : 112,259.10 = 73,226.60 : x
  2. Step 2: Convert to fraction form
    74,954.60/112,259.10 = 73,226.60/x
  3. Step 3: Cross multiply
    74,954.60x = 112,259.10 × 73,226.60
  4. Step 4: Simplify right side
    74,954.60x = 8,220,352,212.06
  5. Step 5: Solve for x
    x = 8,220,352,212.06/74,954.60
  6. Step 6: Final answer
    x = 109,671.08

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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.