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Finding the Fourth Proportional to 98,752.53, 148,041.30 and 73,762.41

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Solution

The fourth proportional to 98,752.53, 148,041.30 and 73,762.41 is: 110,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,752.53 : 148,041.30 = 73,762.41 : x
  2. Step 2: Convert to fraction form
    98,752.53/148,041.30 = 73,762.41/x
  3. Step 3: Cross multiply
    98,752.53x = 148,041.30 × 73,762.41
  4. Step 4: Simplify right side
    98,752.53x = 10,919,883,067.53
  5. Step 5: Solve for x
    x = 10,919,883,067.53/98,752.53
  6. Step 6: Final answer
    x = 110,578.26

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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.