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Finding the Fourth Proportional to 99,950.44, 149,804.40 and 73,409.06

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Solution

The fourth proportional to 99,950.44, 149,804.40 and 73,409.06 is: 110,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,950.44 : 149,804.40 = 73,409.06 : x
  2. Step 2: Convert to fraction form
    99,950.44/149,804.40 = 73,409.06/x
  3. Step 3: Cross multiply
    99,950.44x = 149,804.40 × 73,409.06
  4. Step 4: Simplify right side
    99,950.44x = 10,997,000,187.86
  5. Step 5: Solve for x
    x = 10,997,000,187.86/99,950.44
  6. Step 6: Final answer
    x = 110,024.53

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1.5x scale

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.