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Finding the Fourth Proportional to 73,263.20, 109,880.40 and 24,015.20

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Solution

The fourth proportional to 73,263.20, 109,880.40 and 24,015.20 is: 36,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,263.20 : 109,880.40 = 24,015.20 : x
  2. Step 2: Convert to fraction form
    73,263.20/109,880.40 = 24,015.20/x
  3. Step 3: Cross multiply
    73,263.20x = 109,880.40 × 24,015.20
  4. Step 4: Simplify right side
    73,263.20x = 2,638,799,782.08
  5. Step 5: Solve for x
    x = 2,638,799,782.08/73,263.20
  6. Step 6: Final answer
    x = 36,018.08

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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.