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Finding the Fourth Proportional to 99,323.56, 149,015.58 and 29,203.48

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Solution

The fourth proportional to 99,323.56, 149,015.58 and 29,203.48 is: 43,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,323.56 : 149,015.58 = 29,203.48 : x
  2. Step 2: Convert to fraction form
    99,323.56/149,015.58 = 29,203.48/x
  3. Step 3: Cross multiply
    99,323.56x = 149,015.58 × 29,203.48
  4. Step 4: Simplify right side
    99,323.56x = 4,351,773,510.22
  5. Step 5: Solve for x
    x = 4,351,773,510.22/99,323.56
  6. Step 6: Final answer
    x = 43,814.11

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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.